Landsberger apparatus
[化] 兰兹伯格尔测分子量器
🧩 词语组成解析
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
What's your nationality?Are you a French?
你的国籍是什么？你是法国人？
Calare took the pen and added her signature, saying Good. That is all correct.
好了。很正确。"