Migration volume
[计] 迁移卷
🧩 词语组成解析
migration
[mai'ɡreiʃən]
n. 迁移，移居;
🗣️ 情景例句
Who are you rooming with?
你和谁同屋？
How did it come to this?
岂有此理！
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。