O ring
un. O形环；圆形截面密封圈\\n
🧩 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's so special about him?
他有什么特别的呢？
We have a small gift for you to take with you when you leave the factory.
你离开工厂时，我们有件小礼物要送给你。
Let's go and take a look at it.
让我们去看看吧！