n. 树, 木料, 树状物vt. 把...赶上树【计】 树; DOS外部命令:显示指定磁盘驱动器的目录结构【医】 树相关词组: in the dry tree in the green tree shake the pagoda tree up a gum tree up a tree bark up the wrong tree

◆记忆方法一：
联想方式：tre（天热）＋e（鹅）
记忆方法：天热时鹅躲在树下乘凉。

• in the tree与on the tree的区别
  
  in the tree与on the tree
  外来的东西在树上用in the tree
  如：the bird in the tree;
  树上长的用on the tree
  如：the apples on the tree

grass/grassland/weed/straw/strawberry/hay/tree/crop/glass
记忆：
1. grass [ ^rB:s ] 字母r联想草的形状。 grass n. 草 If you want to remove the grass, you can’t only cut it with a knife but root it.要除草，不能只是用刀割，而应连根拨掉。 格言：The grass is always greener on the other side of the fence. 未得到的东西才是更好的。
2. grassland [ 5^rB:slAnd] n. 牧草地, 草原 The singer Tengar comes from the grand grassland.歌手腾格尔来自大草原。
3. weed [ wi:d ] 联想wild,野的；n. 野草, 杂草 v. 除草, 铲除 We will have to think of ways to kill all the weed in the garden.我们得想出法子除掉花园里的杂草。
4. straw [ strC:] n. 稻草, 麦杆 Any drowning man will grasp at a straw.溺水的人连根稻草也会去抓。
5. strawberry [ 5strC:bEri] n. 草莓 The strawberry is her favourite. So she must have been delighted to see the strawberries you sent her.草莓是她最爱吃的东西。她一看到你送给她的草莓一定非常高兴。
6. hay [ hei ] 联想heat, 加热；加热后变干的，n. 干草 In winter cattle feed on hays.冬天里牛吃干草。 格言：Make hay while the sun shines.晒草要趁太阳好。
7. tree [ tri: ] n. 树, 树状物 As the saying goes, a tree can’t make a wood. You must help those who have trouble in learning.正如俗话说的那样，独木不成林。你必须帮助那些在学习上有困难的人。
8. crop [ krCp ] n. 农作物 More and more modern farmers no longer depend on crops.越来越多的现代农民不再依靠庄稼了。
9. glass [ ^lB:s ] n. 玻璃, 玻璃制品, 玻璃杯 The naughty boy filled the glass with grass he pulled from the garden.那个顽皮的男孩在那个玻璃杯里装满了他从花园里拨来的草。
另类阅读：
Through the glass window of the tower you can see the trees in the wood and crops in the field where weed has been removed. You can also see the grass on the grassland faraway and hays in the stall for horses.