知识点1:slow up和slow down是同义词还是反义词
[1]slow单词记忆法◆记忆方法一：分析：s --- 外形像蛇； lo——外形像数字10；w——外形像钉耙； 记忆方法：蛇扛着10把钉耙慢慢地爬。
slow up和slow down均表示“变缓”“变慢”“减速”等，从使用的广泛性来看，slow down比slow up用得更多、更广泛。两者的具体用法如下：
1. 表示“（使）慢下来”“（使）减速”
(1) slow down的用例：
I put on the brakes and slowed the car down. 我踩下刹车降低车速。
The train slowed down as it went around the bend. 火车在转弯处减速了。
[2]around单词记忆法◆记忆方法一：分析：a－－ 一个 round－－圆形的 记忆方法：以一个点为圆心画圆，圆周内的部分都在圆心的附近．◆记忆方法二：联想方式：a前缀（在）；round（圆）记忆方法：在圆的周围→大约在四周。
She slowed down her pace so I could keep up with her. 她放慢脚步好让我跟上她。
The train slowed down to a crawl as it approached the station. 火车进站时慢了下来。
You see drivers speeding up when they should be slowing down. 你可以看到有些司机在应该减速时却加速。
(2) slow up的用例：
The bus slowed up as it approached the junction. 公共汽车在驶近交叉路口时放慢了速度。
The roadworks are slowing the traffic up in the mornings. 道路施工使早上的交通迟缓下来。
[3]morning单词记忆法◆记忆方法一：联想方式：mor（末日）+ning（宁）今天早上，好像是世界末日一样，非常宁静。◆记忆方法二：联想方式：mor（末日）+ning（宁）记忆方法：今天早上，好像是世界末日一样，非常宁静。
2. 表示“（使某人）松弛”“（使发展）减缓”
(1) slow down的用例：
The economy has slowed down. 经济放缓了。
He looks ill, and he should slow down. 他看上去不太舒服，应该放松一下。
(2) slow up的用例：
Output has slowed (up) a little. 生产已放慢了一点。
They claim they can slow up the ageing process. 他们声称能够减缓老化的速度。
三、用法联想与拓展
跟slow down与slow up用法类似的还有close up与close down。但close up与close down在表示“关闭”时，只是意义相近，并不完全相同：close down表示公司或商店等永久性关闭（即“倒闭”），而close up则表示公司或商店等临时性关闭（如“歇业”“打烊”）。如：
The factory closed down ten years ago. 这家工厂10 年前就倒闭了。
All the shops had closed up for the night. 深夜所有的商店都已经打烊了。
有些含有up和down的相似短语，既不是同义词或近义词，也不是反义词，它们各自有各自的意思和用法。如：
back up（验证；支持；备份；倒车；后退）
back down（认错；认输；退让）
bring up（养育；教养；提出）
bring down（使落下；打倒；降低；减少）
知识点2:slow up和slow down是同义词还是反义词
二、相关词和短语的用法说明
slow up和slow down均表示“变缓”“变慢”“减速”等，从使用的广泛性来看，slow down比slow up用得更多、更广泛。两者的具体用法如下：
1. 表示“（使）慢下来”“（使）减速”
(1) slow down的用例：
I put on the brakes and slowed the car down. 我踩下刹车降低车速。
The train slowed down as it went around the bend. 火车在转弯处减速了。
She slowed down her pace so I could keep up with her. 她放慢脚步好让我跟上她。
The train slowed down to a crawl as it approached the station. 火车进站时慢了下来。
You see drivers speeding up when they should be slowing down. 你可以看到有些司机在应该减速时却加速。
(2) slow up的用例：
The bus slowed up as it approached the junction. 公共汽车在驶近交叉路口时放慢了速度。
The roadworks are slowing the traffic up in the mornings. 道路施工使早上的交通迟缓下来。
2. 表示“（使某人）松弛”“（使发展）减缓”
(1) slow down的用例：
The economy has slowed down. 经济放缓了。
He looks ill, and he should slow down. 他看上去不太舒服，应该放松一下。
(2) slow up的用例：
Output has slowed (up) a little. 生产已放慢了一点。
They claim they can slow up the ageing process. 他们声称能够减缓老化的速度。
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slow down相关单词意思与记忆法：
slow down单词意思解释释义：
(使)慢下来
slow相关单词意思与记忆法：
slow单词意思解释释义：
a. 慢的, 缓慢的, 迟缓的, 迟钝的, 冷漠的, 落后的ad. 慢地, 迟缓地vt. (使)慢下来vi. (使)慢下来【经】 缓慢的; 减少; 慢慢地相关词组: slow and steady be slow at slow down be slow to anger
slow单词记忆法：
◆记忆方法一：
分析：s --- 外形像蛇； lo——外形像数字10；w——外形像钉耙；
记忆方法：蛇扛着10把钉耙慢慢地爬。
up相关单词意思与记忆法：
up单词意思解释释义：
a. 向上的, 起床的, 涨的ad. 向上, 上涨prep. 在...上面, 向...的较高处【经】 上扬相关词组: up in the air all up on the up-and-up up against up and about up and doing up and down up for up on up there up to be up to no good be not up to much up to now up to then up to date bring someone up to date bring something up to date use sth up
slow down单词相关例句：Friction gradually caused the sliding box to slow down and stop.
摩擦力使向下滑的箱子渐渐慢下来后停住。
slowto slow down a little bit, dryto dry your hands, wrongto wrong sb, freeto free the slaves, narrowto narrow the street,
slow单词相关例句：Be slow in choosing a friend; slower in changing. 选择朋友要审慎，摒弃更要审又慎。
Be swift to hear, slow to speak. 多听少说。
Be slow to promise and quick to perform. 不轻诺，诺必果。
Heaven's vengeance is slow but sure. 天网恢恢，疏而不漏。
Maidens should (or must) be mild and meek, swift to hear and slow to speak. 少女应温良谦恭，敏于听而慎于言。
Be slow in choosing a friend, slower in changing.——Benjamin Franklin, American pesident 选择朋友要谨慎，换朋友更要谨慎。美国总统 富兰克林.B.
Turtles are slow animals.
乌龟是种行动迟缓的动物。
Friction gradually caused the sliding box to slow down and stop.
摩擦力使向下滑的箱子渐渐慢下来后停住。
He is a good, slow walker .
他是一个善于缓慢行走的人。
You drive as slow as my Granny.
你开车像我奶奶一样慢。
up单词相关例句：What's the use of worrying ?——It never was worthwhile,So, pack up your troubles in your old kit-bag,And smile, smile, smile.George Asaf, British poet担忧又有什么用？不值得为它浪费时间，把烦恼塞进行囊去，让微笑永远充满你的心田。英国诗人 阿萨夫 G
There can be no war nowadays between civilized nations, nor any peace that is not hollow and delusive unless sustained and backed up by the sentiment of the people who are parties to it.——E. J. Phelps. American lawyer 现在文明国家，如果得不到本国人民真心的支持，就发动不起战争，和平也是空洞而渺茫的。美国律师 费尔普斯。E， J。
Hang up one's hat in another's house. 在别人家里久留不去，长期居住。
The people who get on in this world are the people who get up and look for circumstances they want , and if they cannot find them .they make them.(George Bernard Shaw , British dramatist )——在这个世界上，取得成功的人是那些努力寻找他们想要机会的人，如果找不到机会，他们就去创造机会。( 英国剧作家 肖伯纳. G.)
The people who get on in this world are the people who get up and look for circumstances they want, and if they cannot find them, make them. ( Bernard Shaw )—— 在这个世界上取得成功的人，都努力去寻找他们想要的机会，如果找不到时，他们就自己创造机会。（萧伯纳）
A poet is a man who puts up a ladder to a star and climbs it while playing a violin. E.de Goncourt, French writer——诗人是这样的人，他架起通向星星的梯子——一边爬梯子一边拉提琴。法国作家 龚古尔 E
All human wisdom is summed up in two words-wait and hope. 人类所有的智慧可以归结为两个----等待和希望.
If you would go up high , then use your own legs ! Do not let yourselves carried aloft; do not seat yourselves on other people's backs and heads . (F. W . Nietzsche , German Philosopher)——如果你想走到高处，就要使用自己的两条腿！不要让别人把你抬到高处；不要坐在别人的背上和头上。(德国哲学家 尼采. F. W.)
When a man is wrapped up in himself he makes a pretty little package22. John Ruskin, British writer and critic——一个只顾自己的人不足以成大器。英国作家、批评家 罗斯金 . J.
Cry up wine and sell vinegar. 挂羊头，卖狗肉。
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