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
What a downpour!
下得可真够大的！
The contract contains basically all we have agreed upon during our negotiations.
合同将我们达成协议的内容基本上都写上了。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。