Ring lubrication
[机] 环圈润滑
🧩 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;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
Your new exercise class?
你的新健身班
My sister was born in nineteen thirty-eight.
我的妹妹是一九三八年出生的。
The Officer went through the case with great care.
那位官员十分仔细地把箱子检查了一遍。