Carbonless
a. 无碳的
🗣️ 情景例句
Yes, he's my brother.
是的。他是我哥哥。
My feeling is that you ought to stay home tonight.
我感觉你应该今晚呆在家。
If he had not broken his tooth, he would not be in hospital now.
如果他没有把牙齿弄坏，现在就不在医院了。