Mesotroph
[微]半自养生物
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
She fears Tom will drop out of school.
她担心汤姆会休学。
Yes, I do. I have two, a son and a daughter.
有两个，一个儿子，一个女儿。