Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
Nobody denies the convenience of living in town.
没有人会否认都市生活的便利。
The wolf may lose his teeth, but never his nature.
江山易改，本性难易。
I want to find out more about my 'roots,' he said.
“我想要更多地探寻我的‘根’。”