Rishon
n. [核]里肖恩(构成夸克和轻子的假设基本粒子)
🗣️ 情景例句
I wonder what the problem is.
我不知道发生了什么问题。
He has a very bad stomachache from eating too much.
他因为吃得太多而导致胃痛。
Most business letters around the world are written in English.
世界上大多数商务信函都是用英语写的。