只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.There are just four kinds: adenine, thymine, guanine and cytosine.腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.尿嘧啶 -- 核糖核酸中的一种嘧啶,与腺...
He has been clocked at 11 seconds for 100 metres.他100米跑了11秒。Armstrong was boxed in with 300 metres to go.阿姆斯特朗在离目的地还有300米的地方被堵住不能动弹。Kenya's Robert Kibe was the fastest qualifier for the 800 metres final.肯尼亚的罗伯特·基布是8...
Here the apostle Peter affirms his belief that the Scriptures are'inspired '.使徒彼得在此表达了他相信《圣经》是通过默感写成的.She affirms this balloon being her.她肯定这是她的气球.The commencement ceremony affirms each student's search fo...