a. pertaining to biology or to life and living things
a. of parents and children; related by blood
a. 生物学的
[医] 生物学的
1. Biological research helps us understand how living organisms function.
生物研究帮助我们了解生物体是如何运作的。
2. Many diseases have a biological origin, which means they are caused by germs or viruses.
许多疾病有生物学起源，这意味着它们是由细菌或病毒引起的。
3. The biological clock in our bodies regulates our sleep patterns.
我们身体中的生物钟调节我们的睡眠模式。