biological

Scientists are studying the biological effects of radiation on deep-sea organisms.

(Chinese) 科学家们正在研究辐射对深海生物产生的生物学影响。

Detergents containing biological enzymes are better at removing tough food stains.

(Chinese) 含有生物酶的清洁剂能更有效地去除顽固的食物污渍。

Even though he was adopted, he recently decided to search for his biological mother.

(Chinese) 虽然他是被领养的，但他最近决定寻找自己的亲生母亲。

Both biological parents must sign the consent form before the child can travel abroad.

(Chinese) 在孩子出国旅行前，亲生父母双方必须在同意书上签字。