1.shed n. 车棚，小屋，脱落物 vt. 使 ... 流出，散发，脱落，除掉

She shed crocodile tears (ie pretended to be sorry) when she dismissed him from his job.
她把他解雇时，流出了鳄鱼的眼泪(假装难过).

2.expand[iks'pænd] v. 增加，详述，扩展，使 ... 膨胀 vi. （谈吐）放开

The petals of many flowers expand in the sunshine.
许多花的花瓣在阳光中绽放。

3.Engulf v. 吞没

If an earthquake were to engulf England tomorrow, the English would manage to meet and dine somewhere among the rubbish, just to celebrate the event.
假使明天会有一场地震席卷英国，英国人也会设法在颓垣败瓦中找个地方见面饮宴来庆祝这件大事的吧。

4.sponge n. 海绵，海绵状的东西 vt. 用海绵擦拭，吸收掉，抹掉

I am cooking a sponge cake with jam filling.
我在做果酱松糕。

5.sin[sin] n. 原罪 v. 犯罪，违反(教规)

I guess ignorance must be a sin.
我认为无知是一种罪。

6.plateau n. 高原;平稳;稳定状态 vi. 到达平稳阶段

Sales have now reached a plateau.
销售现已开始停滞不前。

7.fertile adj. 肥沃的，富饶的，能繁殖的，多产的，（创造力）丰富的

We have irrigated the desert area to make it fertile.
我们已经灌溉了荒芜地区使它肥沃。