Evenometer
光电式均匀度测定仪
🗣️ 情景例句
Don't mention it.
没事儿。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。
I'm afraid we haven't got any black shoes in that size at the moment.
恐怕此刻我们没有8号的黑色鞋了。