Lubricating ring
[电] 引油环
🧩 词语组成解析
润滑的
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
I haven't got a clue on how to spend the National Day holiday.
如何度过国庆假期我还没有一点头绪。
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
I think I know you.
我想我认识你。