Unsubstituted
未被取代的
🗣️ 情景例句
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
Let's stop here and continue in about 10 minutes.
我们暂停一下，10分钟后继续。
Don't you remember?I had to water it every day.
你记得了吗？我不得不每天浇水。