Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
Can I get you something, Mr. Stewart?
要我替你拿点什么吗， Stewart先生？
I'm not myself today.
我今天心神不宁。
'Do you always catch such an early train?' asked the inspector.
“您总是赶这样早的火车？”探长问。