Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
What do you like to do during holiday?
在假日你喜欢做什么？
I'd stay if they promoted me, but I can't see that happening.
假如他们提升我，我就留下来，但我看那是不可能的。
The boys felt tired so they put out the fire and crept into their tent.
于是他们扑灭了篝火，钻进了帐篷。