used to

Cosmetics are often used to conceal facial blemishes.

化妆品常用来遮盖脸部色斑。

An additional jet-pump(liquid-gas ejector)was used to subcool the refrigerant from condenser in this new system.

该循环系统引入了一个助液体-气体射流泵,通消耗少量泵功,对冷凝器出来液体进行冷。

Agriculture used to be the economic backbone of this country.

农业曾是这个国家经济支柱。

The name Darren was an alias he used to avoid the police.

达伦是他用来逃避警察化名。

He used to be quite wealthy, but his children have bled him dry.

他从前很富有，可是都被他孩子们给榨乾了。

Large herds of bison used to live on the plains of North America.

大群曾生活在北美大草原上。

I shall probably oversleep as I am not used to getting up so early.

我很可能会睡头,因为我不习惯这么早起。

Semicolons can also be used to separate the items in a list.

分号可用来分割一系列中各项。

When Sally was a baby she used to cry morning, noon and night.

萨莉小时候，一天到晚哭个不停。

He used to lead an outdoor life.

他以前习惯外生活。

The proceeds from the sale will be used to repay the loan.

销售所得将用来偿还贷款。

I used to pal around with Brad.

我以前常和布拉德一起玩儿。

I used to have a companion to that ornament, but I broke it.

我原来还有一件装饰品和那一个配对, 可是我把它弄坏了。

This metal tower is used to relay television signals to distant villages.

这个金属塔是用于向遥远村子转播电视讯号。

Metropolitan residents are used to fast rhythm.

大都市居民习惯于快节奏。

I noticed the darker paint where our old mezuzah used to be.

门上那块颜色黯淡漆，正是我们以前贴平安符地方呀！

They used to take the mickey out of Ade because of the way he spoke.

他们常取笑埃德说话样子。

Slit lmp microscope is an ophthalmologic opticalinstrument used to check preocular optical magnification .

裂隙灯显微镜是借助光学放大原理，检查眼前部和眼内部眼科光学仪器。

I used to call her Miss Mouse because she was so meek and mild.

我叫她鼠小姐，因为她是那么温顺。

The Microprogrammed Control Unit (MCU) is mainly used to the ordering and obeys of microinstruction.

摘要微程序控制器主要是用于微令排序和微令执行。