O-ring
n. O型环（密封圈）；橡胶圈
🧩 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
Your English is very good.
你的英语说得很好。
If it doesn't rain tomorrow, will you get a haircut?
如果明天不下雨的话，你会去剪头发吗？
and that their rims are clean and dry.
瓶口清洁干燥。