?? 詞語組成解析
adj. (人)不吸煙的; (商店等公共場所)嚴禁吸煙的 [亦作 non-smoking, no-smoking]
??? 情景例句
Are you ready to order now, sir?
先生，你準備點菜嗎？
We have known each other for 6 years.
我們認識有六年了。
Please do. We 're desperate for the material.
麻煩你了，我們非常需要這些材料。