Mesonic atom
[化] 介子原子
🧩 词语组成解析
a. meson的变形
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
It's wonderful! It's terrific!
棒极了。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！