所以电池应当尽可能的减轻重量。

So those batteries have to weigh as little as possible.

youdao

何时起“减轻重量”变成了作弊？

When does losing weight become cheating?

youdao

每天5餐小的进食来减轻重量。

5 small meals a day for weight loss.

youdao

So each of these cups again have different weights if I want to find the lightest of them I might start not knowing which is which.

它们的重量互不相同，如果我要,找出最轻的一个，而我根本不知道会是,哪一个。

哈佛公开课 - 计算机科学课程节选