Infrasizing
(粉末)粒度分析
🗣️ 情景例句
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
I'm very grateful to receive this award for Best Actress.
感谢授予我“最佳女演员奖”。
Yes, it is.
是的，这是一支钢笔。