hm开头的英语句子
- Hmm, the early bird catches the worm.
- Hm, it's food for thought isn't it? What would you do?
- Hmm, now it must be June.
- HMF can be converted into plastics, diesel-fuel additive, or even diesel fuel itself, but is seldom used because it is costly to make.
- Hmm. Aren't there hats in China?