每当我看到你，就像呼吸了一口新鲜的空气。

Whenever I see you, it's like a breath of fresh air.

youdao

每当我看到你在我的梦想，我看见你的脸，它困扰了我。

Everytime I see you in my dreams I see your face, its haunting me.

youdao

只是今天上午，我会微笑每当我看到你的脸，笑时，我感觉自己哭。

Just for this morning, I am going to smile whenever I see your face and laugh when I feel like crying.

youdao

The other tip I'm going to give you is any time you see a chain molecule, by chain I just mean many different atoms written out in a row.

我要告诉大家的另外一个小窍门是,每当你看到一个链状分子，链状的意思是说很多,不同的原子写成一行的形式。

麻省理工公开课 - 化学原理课程节选