重點講解:
1. be discharged from 允許…離開(醫院、軍隊);
When he was discharged from the hospital, he had lost 20 pounds.
出院的時候,他的體重減輕了20磅。
2. fend off 擋住,抵擋;
Whether this means that we are going to have to fe nd off recessionary tendencies is not yet clear.
這是否意味著我們將不得不防范經濟衰退的趨勢,目前尚不清楚。
3. depend on 取決于;根據;由…決定;
Whether or not we can start off tomorrow will depend on the weather.
明日能否出發,須視天氣而定。
4. focus on 集中(注意力);關注;
In this article, we focus on encryption and digital signatures.
本文中我們主要討論加密和數字簽名。
n. 基底,基礎,底部,基線,基數,(棒球)壘,[化]堿