重點講解:
1. kill off 被全部殺死;被滅絕;
Their natural predators have been killed off.
它們的天敵被全部殺死 。
2. come up with 想出,提出(計劃、想法等);
Howard Wilkinson has co me up with an absolute corker of an idea.
霍華德·威爾金森想出了一個絕佳的主意 。
3. in return 作為回報;作為交換;
These are gestures of genuine friendship with no favours expected in return.
這是友誼的真正表現,不期待任何回報 。
4. be made of (由…)構成的;(由…)制成的;
All the furniture was made of wood.
這里所有的家具都是用木料制作的 。
n. 恢復,歸還,復位