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
Remember, the number 1 train. The uptown platform.
记住，搭一路车，在北月台 。
A man is known by the company he keeps.
察其友知其人。
Why can't you do something about it? Can you change it?
干吗你不想点办法呢？你能换掉它吗？