他开始摇上车窗，但是我抓住车门,把它打开。

He started winding the window up but I grabbed the door and opened it.

《柯林斯英汉双解大词典》

我打开后车箱，取出小旅行箱，把它放到门口。

I opened the trunk and took the small suitcase to the door.

youdao

但是它已经为我把一个门关上，打开一个新. .。

But it has to be done for me to shut a door and open a new one.

youdao

That's a really good question because if I open this up, why wouldn't it just reform with itself, why would it want to have this in here?

这是个很好的问题,如果我把质粒打开,为什么它不会自己合上,为什么它会与DNA片段重组呢

耶鲁公开课 - 生物医学工程探索课程节选