Prefractionation
初步分馏
🗣️ 情景例句
it's going to be too late when I do remember.
等我想起来时已经太晚了。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
A few minutes later
几分钟后