Beckmann thermometer
[化] 贝克曼温度计
🧩 词语组成解析
[机] 贝克曼
🗣️ 情景例句
Dean Rafer called me today.
Rafer主任今天打电话给我。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。