Capnometry
[化] 烟的密度测定
🗣️ 情景例句
Life is full of ups and downs.
生活充满起伏。
Dog does not eat dog.
物不伤其类。
I am, Miss Zhao, said Wei Hua. Today is Saturday, September 19th.
“是我，赵小姐，”魏华说，“今天是9月19日，星期六。