重点讲解:
1. kill off 被全部杀死;被灭绝;
Their natural predators have been killed off.
它们的天敌被全部杀死 。
2. come up with 想出,提出(计划、想法等);
Howard Wilkinson has co me up with an absolute corker of an idea.
霍华德·威尔金森想出了一个绝佳的主意 。
3. in return 作为回报;作为交换;
These are gestures of genuine friendship with no favours expected in return.
这是友谊的真正表现,不期待任何回报 。
4. be made of (由…)构成的;(由…)制成的;
All the furniture was made of wood.
这里所有的家具都是用木料制作的 。
n. 恢复,归还,复位