Arealometer
纤维细度气流测定仪
🗣️ 情景例句
Please keep two for us to pick up.
请给我保留两张。
How did this happen?
怎么会这样？
'I left the money in my room,' I said, 'and it's not there now.
“我把钱放在房间里，”我说，“可现在没有了。