Isosinglet
同位旋单态, 电荷单态
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
My son wants to get married in June.
我的儿子想要在6月结婚。
Quick, turn the gas off. Cover the pan. Be careful!
快，把煤气关上。盖上锅。小心！