Undergear
下部齿轮
🗣️ 情景例句
OK. We'll walk back to your office with you.
好吧 ，我们陪你走回你的办公室去。
It is better to wear out than to rust out.
与其锈掉，不如用坏。
I don't think you'll have any difficulty in pushing sales.
我认为你推销时不会有任何困难。