Mesonic atom
[化] 介子原子
🧩 词语组成解析
a. meson的变形
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Don't be afraid he will get there on time.
不要怕他会准时到那里。
an illness which at twelve would knock us over,
使我们在12岁时病倒的疾病，