Regrading
二次筛分
🗣️ 情景例句
And the others. I do have it all.
还有其他的。我确实拍齐了。
Have you taken a train?
你坐过火车吗？
The man smiled pleasantly.He did not understand English! He spoke German.He was a tourist.
这人友好地笑了笑。他不懂英语！他讲德语。他是个旅游者。