1.alternative a.兩者擇一的；供選擇的

We have the alternative plans of having a picnic or taking a boat trip.
我們在去野餐或者去乘船旅游兩個(gè)計(jì)劃中只能選一。

2.client n.委托人；客戶

If a lawyer has plenty of clients, he grows rich.
律師如果有大量的訴訟委托人，就會(huì)財(cái)源不斷。

3.irritation n.刺激；煩惱

Discontinue use if irritation or rash appear.
如果發(fā)生刺激或丘疹請停止使用。

4.collaborate v.合作；通敵

She collaborated with her sister/She and her sister collaborated on a biography of their father.
她和姐姐合作寫父親的傳記。

5.automatic a.自動(dòng)的；無意識的

This heating system has an automatic temperature control.
這個(gè)暖氣系統(tǒng)有自動(dòng)化的溫度調(diào)節(jié)系統(tǒng)。