Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
Brown was friendly and easy-going.
布朗待人友善。
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
There is no shortage of tipsters around offering 'get-rich-quick' opportunities.
我们周围不乏情报贩子，向人们提供迅速发财致富的机遇。