Microfauna
微动物区系; 微动物群; 微型区系
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
My grandma is 40 years older than me.
我祖母比我大40岁。
The petrol had nearly all been used up.
汽油几乎已经用光。