查询词典 beforehand

If you know you will be late, it is polite to notify the teacher beforehand.

如果你知道你将会迟到，事先通知老师是一个有礼貌的做法。

We need to make accurate estimation beforehand.

我们需要事先作出准确的估计。

We need to make an accurate estimate beforehand.

我们需要事先作出准确的估计。

If you are going swimming, do not eat beforehand.

如果你要去游泳，事前不要吃东西。

You need to research your business beforehand .

你需要事先去为你的工作做个研究。

We need to make a accurate estimate beforehand.

我们需要事先作出准确的估计。

In case of being away,I will let you know beforehand.

如果外出，我会事先告诉你的。

Also I wanted to know beforehand what he wanted to talk about.

我也想预先知道他想谈什么。

We have to make an exact estimate beforehand.

我们需要事先作出准确的估计。

You feared that I should be beforehand with you.

你是害怕我会捷足先登的。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。