重點講解:
1. at least (數量)至少,不少于;
例句:Officials did not release exact figures for the contract but the project is estimated to be worth at least five-point-three billion dollars.
有關官員沒有公布協議的具體數字,但是估計這一項目價值至少53億美元 。
2. why not (表示建議)為什么(不);
例句:Why not give Claire a call?
為什么不給克萊爾打個電話?
3. derive from (使)起源于;(使)來自;
例句:Anna's strength is derived from her parents and her sisters.
安娜的堅強源自于她的父母和姐姐們 。
4. help to do sth. 幫助;幫忙;
例句:He has helped to raise a lot of money.
他幫著籌集了很多錢 。
adj. 被識別的;經鑒定的;被認同者 v. 鑒定(id