形容詞 biological:

1. pertaining to biology or to life and living things
   同義詞：biologic
2. of parents and children; related by blood

1. Some biological molecules have the form of a helix.
   有些生物分子呈螺旋狀。
2. An apparatus for determining the order of constituents in a biological polymer.
   順序分析儀確定生物學的聚合體中成份順序的儀器
3. Biological warfare is terrible.
   生物戰(zhàn)很可怕。
4. The school has a large biological laboratory.
   這所學校有一個很大的生物實驗室。

bi.o.log.i.cal

adj.Abbr. biol.（形容詞）縮寫 biol.
Of, relating to, caused by, or affecting life or living organisms.
生物學的：屬于、關于生命或生物、由其引起或?qū)χ杏绊懙?/br>Having to do with biology.
與生物學相關的
Related by blood:
有血親關系的：
例句：
the child`s biological parents; his biological sister.
孩子們的親父母；他的親姊妹

n.（名詞）
A preparation, such as a drug, a vaccine, or an antitoxin, that is synthesized from living organisms or their products and used medically as a diagnostic, preventive, or therapeutic agent.
生物制劑：一種制劑，如藥品、疫苗或抗毒素物質(zhì)由生物或生物產(chǎn)物合成，醫(yī)學上作診斷、預防或治療性的藥劑

【引伸】
bi.olog.ically
adv.（副詞）