Molecular physics
[化] 分子物理学
🧩 词语组成解析
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
Honesty is the best policy.
诚实是上策。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。