Pods
abbr. 资料库系统规则（Principles of Database Systems）
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
Would you like me to get you a cab?
要我替你叫出租汽车吗？
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。