Dinucleotide A compound of two nucleotides linked by their phosphate groups.二核苷酸:由磷酸基团连接的两个核苷酸组成的化合物.One is the flavin adenine dinucleotide ( FAD ), and the second is methenyltetrahydropteroylployglutamate ( MTHF ).大肠杆菌p...
It is a tedious, humourless load of crap.那是一堆枯燥乏味、毫无幽默感的废话。He's so full of crap.他净胡说八道。You're the kind of person who affiliates himself with the kind of crap they spout.你这种人就会去附和他们的那些废话。...
他停下来，饶有兴趣地看着孩子如此投入。He stopped and watched with amusement to see the child so absorbed.消防车正要停下来，警报器发出刺耳的声音。The fire engines were just pulling up, sirens blaring.他在街灯下停下来，看着对面的咖啡馆。He paused under a streetlamp and looked ac...
小鸭褪了黄毛.The ducklings have shed their yellow down.小鸭咻咻地叫着.The ducklings are cheeping.鸭子们盯着母鸭和她的小鸭看着.The ducks look at the mother duck and her ducklings....
He was quiet, conscientious, a bit of a plodder.他做事闷声不响，小心谨慎，有点死气沉沉的。Virginia was still struggling to be a conscientious and dedicated mother.弗吉尼娅还在尽力成为一位勤勤恳恳、全心奉献的母亲。The conscientious researcher is careful to avoid up t...