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
Thank you for taking care of me here.
多谢您的周到招待。
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
Whose sweaters are these?
这些都是谁的毛衣？