Lancing
切缝, 气切割
🗣️ 情景例句
It's kind of warm.
它很暖和。
How did you like it?
你喜欢那儿吗？
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。