Latern (ring)
[化] 润滑环
🗣️ 情景例句
I can't tell you how sorry I am.
我真的是很抱歉。
He operates the crane.
他在操纵起重机。
Our service, so far, has been very well-received by our customers .
到目前为止，顾客对我们的服务质量评价甚高。