Underconcentration
浓缩不够, 浓缩(倍数)不足
🗣️ 情景例句
With a Greek-American family?
跟希裔美国家庭住吗
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
I'm sorry, I don't know. You'd better ask that policeman.
对不起，我不知道。你最好问问那位警察。