免费的，自由的free

adj. 免费的；自由的，不受约束的；[化学] 游离的

vt. 使自由，解放；释放

adv. 自由地；免费

n. (Free)人名；(英)弗里

[网络] 自由；空闲的

[专业] 免费 [经济学]；自由 [法学]；自由 [化学]

smoke–free 无烟的

1.This is smoke free office, Don't smoke here.

2.This is a smoke–free area,so smoking is forbidden.

3. It's smoke area.

sugar free 无糖

1. We also offer sugar free products.

2.I don't like sugar in coffee, I Prefer sugar free one.

3.All our drinks are free from artificial colourings.

4.You can choose to have low fat or even fat free mils and yogurts.

5.This income should be free of tax.

tax free /fat free / colour free /pain free /water free 无税/脂肪/色/痛/水

adj.

Do you have more free time ?

I missed out on his offer of a free holiday in Spain.

adv.

Children under fourteen can travel free.

v.

1.She was freed from prison last week.

2.They need your help to continue their work and free people from blindness.

free...from... 使...免于...

2020疫情中的想回杭州的海外留学生