Pion
[化] π介子
🗣️ 情景例句
Not yet.
还没有。
After I get dressed,I'll have breakfast.
在我穿好衣服以后，我将吃早餐。
It is nine o'clock.Mr.Sawyer usually reads his newspaper at night.But he's not reading his newspaper tonight.
现在是9点钟。索耶先生通常是在晚上看报，但今天晚上他没看报。