Rarefication
n. 变稀薄, 稀薄
🗣️ 情景例句
Come in. Oh, Carl and David.
哦，是卡尔和大卫，请进。
Though you cast out nature with a fork, it will still return.
本性难移。
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。