Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
Pleased to meet you.
很高兴遇见你 。
Hit the jackpot.
歪打正着。
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。