Underconcentration
浓缩不够, 浓缩(倍数)不足
🗣️ 情景例句
Get to the point.
请进入正题。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。