Overgear
超速档, 升速传动装置
🗣️ 情景例句
Do? I don't know.
读什么 ？我不知道。
I don't know where I've seen him before.
我不晓得在哪儿见过他。
You may be interested in only some of the items.
你也许对某些产品感兴趣。