1.plenty of 大量；许多

例句:Are there plenty of fresh fruits and vegetables in your diet?
你的饮食中新鲜果蔬充足吗？

2.exchange rate 汇率

例句:We've got a fairly unfavourable exchange rate at the moment.
眼下汇率对我们不利。

3.adapted to 适应

例句:When he moved to france, the children adapted to the change very well.
他移居法国后，孩子们很能适应这个变化。

4.in the hope of 怀着...的希望

例句:He was studying in the hope of being admitted to an engineering college
他努力学习，希望能被一所工程学院录取。