Macroconcentration
常量浓度
🗣️ 情景例句
My folks are giving me a little graduation party.
我的亲人要为我办一个小小的毕业派对。
I ate bread for breakfast yesterday.
我昨天早饭吃的是面包。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，