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...
There was definitely something fishy going on.肯定当时有可疑的事情在进行中。It all sounds very fishy to me.所有这些在我听起来都很可疑.You shall have fishy In a little dishy.你的小盘子里会有鱼儿一条.Other side effects of fish oil may be fishy burps or a fishy a...
在被担架抬下跑道时,她明显处在巨大的痛苦中.She was clearly in tremendous pain as she was carried off the track on a stretcher.在被救护人员从火车上抬下时,他死了.He expired as he was being carried from the train by ambulance men.22岁的鲁尼倒在地板上立刻呼叫队医.他被担架抬下球场送去医院...