Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
I hope you're hungry.
我希望你饿了。
That street is only two miles long.
那条街仅仅是2英里长的。
Oh, that's quite early! Where are we going to meet?
噢，那很早！我们打算在哪儿会合？