Collectibility
可收回的程度; 可收回性
🗣️ 情景例句
We just don't see each other anymore.
我们彼此差不多见不到面了。
How much do I owe you?
我欠你多少钱？
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。