Underconcentration
浓缩不够, 浓缩(倍数)不足
🗣️ 情景例句
Would Ms Lin please come forward?
有请林小姐到前面来。
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
That's all right.Goodbye.Enjoy yourself!
不用谢。再见。好好玩吧！