Identical particle
[化] 全同粒子
🧩 词语组成解析
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。