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
Thank you. The address is No.44 Changning Road.
谢谢你，地址是长宁路19号。
I know the boy whose father is a mailman.
我知道那个男孩的父亲是邮差。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。