他总是喜欢以开别人的玩笑来取乐。

He always enjoys himself making fun of others.

youdao

以开链的羟基醛和羟基酮形式存在的单糖非常活泼。

As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive.

youdao

我可没开玩笑，我买这些都是为我自己，当然，以开派对的名义。

No kidding, I bought all this for myself, in the name of a party, of course!

youdao

Strings are captured in Python with an open quote and some sequence of characters followed by a closed quote.

字符串在Python中,是以一个开引号开始,然后后面是一系列的字符,以一个尾引号结束。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选