以前

If they want to catch up with this class of aircraft, they must be in 9:00 before starting.

如果他们想赶上这班飞机，他们必须在9点以前出发。

The painting to be carried out by airless spray, in general.

以前 这幅画是由无空气喷涂，一般。

Inside the hall it was hot and airless, even more suffocating than before.

大厅里既热又闷，比以前更让人透不过气来。

My uncle gets like that he takes some sleeping pills every time, do you get Airsick?

我叔叔以前也这样，他上飞机之前都会吃些晕机药。你晕机吗？

AIt happened prior to the warning of the government.

这发生在政府发出警告以前。

I lived in Alabama until I went to college.

在我读大学以前一直住在亚拉巴马州。

Many years ago, there was a boy. His name was Aladdin.

很多年以前，有一个男孩，他的名字叫阿拉丁。

I used to go to the Alameda flea market in the Bay Area regularly and that is where I found some of the first pieces in my collection.

以前我会经常去海湾地地区的跳蚤市场，在我那收集到了很多喜欢的东西。

In her early youth, Alanis's family moved around a lot, including a stay in West Germany and attending a Roman Catholic school.

23岁以前，阿兰丽丝的家庭迁过很多地方，在西德住过，还在罗马天主教学校上过学。

I used to set my alarm clock for 7 am.

我以前把闹钟定在早上7点。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。