Backgear
[机] 后列齿轮
🗣️ 情景例句
In order to catch fish, you have to do this.
要钓鱼你就得这样。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
There are also other varieties that do not live in groups at all.
还有别的类型的蜂，它们全然不过群体生活。