Kappameter
磁化率测定仪
🗣️ 情景例句
I've got a lot of work to do.
我有很多工作要做。
Thank you for coming.
谢谢你光临。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。