Kapnometer
烟密度计
🗣️ 情景例句
It's nice to meet you.
很高兴见到你。
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
She withdrew $1000 from her bank and followed the kidnapper's instructions.
她从银行取出1，000 英镑，并照绑架者的要求做了。