以L - 精氨酸 、 L - 甘氨酸、L - 天门氨酸为原料, 采用二环己基碳二亚胺(DCC)法合成了Arg-Gly-Asp ( RGD ). Takintg L - Arginine, L - Glycine and L - Aspartate as a raw material, used DCC coupling method to synthesize Arg - Gly - Asp ( RGD ).
He lingered lovingly over the account of his exploits.他津津乐道地讲述着自己的业绩.He caressed his wife lovingly.他怜爱万分地抚摸着妻子。His eyes filled with tears as he looked lovingly at her.他深情地望着她,眼里充满了泪水.Brian gazed lovingly at Mary Ann.布赖恩爱...
We don't like strangers who poke their noses into our affairs.我们不喜欢陌生人干预我们的事务。John smiled at them and gave Richard a playful poke.约翰冲着他们笑了笑，开玩笑地捅了理查德一下。He saw the dog's twitching nose poke out of the basket.他看到...
The first organisms that reproduced sexually were free-floating plankton.最早开始有性繁殖的生物是四处漂浮的浮游生物。The fish live on the plankton.这种鱼靠吃浮游生物为生。Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层....
She excelled at impersonations, which provided great amusement for him and his friends.她擅长模仿，给他和他的朋友们带来了很多欢乐。She excelled at impersonations of his teachers.她擅长模仿他的老师们。E 5 neIFn ; 9 Imp [ sn ` eFEn / n [ C , U ] : He does...
然后按正确顺序排列寓言的各段.Then put the paragraphs of the fable in the correct order.她们马上写了一首有关那寓言的英文歌.Right away they wrote an English song about the fable.一位人类学家写了一部关于这些寓言的专著.An anthropologist wrote a treatise on some of these fab...
The little fart's getting too big for his britches!放这么大的屁你的小裤子怎么容得下!The velvet jacket actually comes with matching velvet britches.这件天鹅绒外套,事实上有着同样一件配套的天鹅绒裤.The tail and britches are well feathered.尾巴和四肢有羽状附毛....