Bolection
n. 凸嵌线
🗣️ 情景例句
I'm going to the library to do some research.
我要去图书馆搞些调研。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
Is the production line fully automatic?
生产线是全自动的吗？