Regrading
二次筛分
🗣️ 情景例句
I want to buy a sleeper ticket to New York.
我想买张到纽约的卧铺票。
To live in the hearts of those left behind is not to die.
活在后人心，虽死而犹生。
No, it isn't.It's a ruler.
不，不是，这是一把尺子。