Smoke-free 无烟的Sir. This is a smoke-free restaurant. You can't smoke here. 先生。这是无烟餐馆。您不能在这吸烟。No smoking or vaping.禁止吸烟或吸电子烟vape v. 吸电子烟e-cigarette 电子烟alcohol-free 不含酒精的A: I am sorry I can't drink alcohol.不好意思我不能喝酒。B: Don't worry. It's an alcohol-free drink.别担心。这个酒不含酒精。duty-free 免税的We got a lot of duty-free stuff while we were waiting at the airport.候机的时候我们买了很多免税的东西。sugar-free 不含糖的Sugar-free gum does not have any sugar in it. So it doesn't cause tooth decay.无糖口香糖不含糖。所以不会引起蛀牙。interest-free 无息的The card offers 59 days' interest-free credit.该卡提供59天免息的额度。stress-free 没有压力的No working environment is entirely stress-free.没有哪个工作环境是完全不存在压力的。
