乐队奏起一首很大声的快歌。The band was starting to play a fast, loud number.他试图让他们平静下来，但却招致他们大声的嘲笑。He tried to calm them, but was greeted with shouts of derision.还有,那楼下电话也是不断的有人在那电机旁大声的说话.Then all day there are people speaking into t...
There are bound to be teething problems with something so new.如此新鲜的事物刚开始必然会有些问题。Teething can be painful and make your baby irritable.长牙会很难受，婴儿会烦躁不安。Emma broke off a bit of rusk and gave it to Jacinta, who was teething......
Collecting stamps is a good fad.集邮是一种好的业余消遣.One is the flavin adenine dinucleotide ( FAD ), and the second is methenyltetrahydropteroylployglutamate ( MTHF ).大肠杆菌photolyase含有两个辅基,分别为黄素腺嘌呤二核苷酸 ( FAD ) 和次甲基四氢叶酸 ( MTHF ).Re...