Jackbit
可拆式钻头, 活钻头, 岩心钻头, 凿岩机钎子, 手持式风钻钎子
🗣️ 情景例句
OK. Let's have a look at it.
好，让我们来看看。
The little boy left home for his first day at school.
那个小孩第一天离开家去上学。
So do I.
我也一样。