Raschig ring
[化] 拉西环
🧩 词语组成解析
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
I never really thought about being a mother as a career.
我真的从来没有想到做母亲还是一种事业。
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
How do you know so much about it? Have you seen the film?
你怎么知道那么多情况？你已经看过这部电影了吗？