Underconcentration
浓缩不够, 浓缩(倍数)不足
🗣️ 情景例句
Some music tapes and some blank tapes
带一些音乐带和一些空白带
I'm going to but two gallons.
我要买两加仑。
I can't help eating sweets whenever they are in my presence.
我无论什么时候一看到甜食就忍不住要吃。