The cello is more in demand in university orchestras.大學(xué)管弦樂團(tuán)更需要大提琴手

in demand非常需要的； 受歡迎的

Soft drinks are much in demand this hot weather.

這么熱的天氣，軟飲料需求量很大。

Good secretaries are always in demand.

好的秘書總是很多人都需要的。

Come on,this covers up more than my bathing suit.這個(gè)還沒泳衣暴露

cover up掩蓋； 掩飾； 蓋住； 裹住

The lens hood is used to cover up the lens.

遮光罩是用來遮蓋鏡頭的。

I tried to cover up for him but without success.

我設(shè)法替他掩飾，但沒成功。

Is picking you up from school.駕車教練會(huì)去學(xué)校接你

pick up接人

The next morning, my mum came to pick me up.

第二天早上,我的媽媽來接我。

The driver stopped to pick up a hitchhiker.

司機(jī)停下來讓一個(gè)搭車人上了車。