Infrasizing
(粉末)粒度分析
🗣️ 情景例句
Goodbye, hope to see you again.
再见， 希望再次见到你。
What's so funny?
什么事那么好笑？
We thought we might go out, but we said we'd check with each other first.
我们认为我们可能出去，但我们说好要先互相通通气的。