unit 5 2b 课文讲解

1.one of ... ……之一
2.good luck 好运
3.a long time 很长一段时间；许久
4.get lost 迷路
be lost 丢失; 走失; 迷路
eg: My pens are lost again.
The lost watch is mine.
5.be in (great) danger 处于(极大)危险之中
eg: Pandas are in great danger now.
(be) out of danger脱离危险
e.g. The doctor says he is out of danger.
大夫说现在他脱离了危险
6. cut down 砍倒
7.lose one’s home 失去家园
8. over (数量)超过; 在……之上
100,000, 读作：one hundred thousand
9.be made of +原材料 由……制成 (从制成品中仍能看出原材料)
e.g. The table is made of wood.
be made from +原材料 由……制成(从制成品中看不出原材料)
e.g. 纸是由木头制成的。(翻译)
Paper is made from wood.