My son never feels like getting off his DS. That's my job!

我的儿子从来不觉得 他玩够了他的任天堂，那是我的工作！

So 'dS' simply means a change in entropy.

所以 dS 表示熵变。

Mammoet PTC 200 DS is the only " ring crane" on our list.

Mammoet PTC 200 DS 是我们名单上唯一的“环形起重机”。

Castle, this is DS. Are you under fire?

城堡 这里是安保部 遭遇袭击了吗？

It wasLegen-- wait for it-- ds of the Fall.

那就是 燃情...来了..岁月。

What do you think's happened? DS: Yep.

你认为发生了什么？DS：是的。

Okay, okay. You know what, What ds that even prove, okay?

得了 得了 这能证明啥?

And ds is referring to each infinitely tiny section of the loop.

每一件小事都会被无限地指出 情节的一部分。

The ds in english and history, that tells us that he had difficulty reading.

英语和历史得D 说明他有阅读障碍。

And the integral of ds is just the length of side one of the Amperian rectangle.

ds 的积分就是安培矩形第一条边的长度。