Biogenic
a. 生物所产生的, 生物的生命活动所必需的
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
If the pills were pleasant, they would not be gilded.
丸药不苦不会加糖衣。
Mr.Sawyer usually reads his newspaper, but sometimes he and his wife watch television.
索耶先生总是读报纸，但有时和他的妻子一起看电视。