bird/third/thirty/thirtieth/thirsty/thirteen 记忆： 1. bird n. 鸟，禽； bird flu 禽流感 格言：Every bird loves to hear himself sing.人人都爱表现。 2. third three,三；third, 第三 3. 数词后缀–ty表示十： thirty, 三十 4. thirtieth num.第三十, 三十分之一 5. thirsty adj.口渴的, 渴望的, 热望的 We are thirsty for more knowledge. 我们渴求更多的知识。 6. 数词后缀-teen表示十几：thirteen十三 另类阅读： Thirty thirsty birds flew away on the third day for water.
与单词：thirty 相关的例句或者名人名言
The chef was thirty years old. 主厨三十岁了。
The postage was thirty cents.
邮费为三十美分。
The city covers an area of thirty thousand square hectare.
该城市的面积为三十万平方公顷。
There are thirty households in the village.
全村共三十户。
※TIME——At twenty years of age , the will reigns; at thirty , the wit ; and at forty , the judgment .(Benjamin Franklin ,American president) 二十岁时起支配作用的是意志,三十岁时是机智,四十岁时是判断。(美国总统 富兰克林 . B.) ※At twenty years of age, the will reigns; at thirty, the wit; and at forty, the judgment.——( B. Franklin) 二十岁时起支配作用的是意志，三十岁时是机智，四十岁时是判断。（富兰克林）
