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've been employed as a clerk in ABC Company since 1992.
从1992年我就在ABC公司作职员。
I'm on a diet.
我正在节食。
The study of custom can be profitable only after certain preliminary propositions have been accepted,
只有在某些基本的主张被接受下来、同时有些主张被激烈反对时，