Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
Come with me, Carl.
跟我来 ，Carl。
I went to see my doctor for a check-up yesterday.
我昨天为检查去看了医生。
Yes, it is. Hi, Jim!
是的，我是。你好，吉姆！