Let x be the sum of a and b.

设x为a加b之和。

《牛津词典》

Let x be the equal of y.

设x等于y。

《新英汉大辞典》

The R&R database will not let you create a reservation request that it knows will be declined because another reservation was already accepted, so you should not see many red X icons either.

R&R数据库不允许您创建它知道会被拒绝（因为另一个预订已被接受了）的预订请求，所以您应该不会看到很多红色X图标。

youdao

Let us then see what can be said about the total magnitude of dissonance in a person created by the knowledge that he said "not X" and really believes "X."

现在我们来看看当一个人被迫说“不相信X”而实际上却“相信X”的时候，他所产生的认知失调程度。

youdao

Let me suppose X is 1. So I'll take X to be 1, then Y should be 2. Right?

假设X是1，将1代入x，然后Y应该为2，对吗？

youdao

Let this be the direction of increasing x, and so before the collision I have a certain amount of momentum.

方向为x正轴方向，在碰撞前，它有一定动量。

youdao

Let this be the direction of increasing x, and so before the collision I have a certain amount of momentum.

方向为x正轴方向，在碰撞前，它有一定动量。

youdao