Arealometer
纤维细度气流测定仪
🗣️ 情景例句
Just put it over there, Charles.
就放在这儿吧 ，Charles。
Mr. President, ladies and gentlemen, and all the distinguished guests.
主席先生，女生们先生们，各位贵宾们。
At that time he had two helpers.
那时他有两个帮手。