Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
Well, it's nice to have you with us again.
噢 ，非常高兴你们又来了。
How long will it take for a telegram to get to California?
你把电报传到加州要多长时间？
On her way home she bought a new pen at a shop.
回家路上，她在一家商店买了一支新钢笔。