一名警察迈着小心的步子慢慢走过.A policeman walked by with a slow, measured tread.这个品种是经过小心的选择与淘汰才培育出来的.By careful selecting and roguing the strain was evolved.他力气的确大, 但是他十分小心的使用它.He was powerful physically, but he used his strength car...
The wrong criminal is in the dock either because a genuine mistake has been made or because evidence has been suppressed.冤案错案的出现，要么是因为确实弄错了，要么是因为证据被隐瞒。There was a look of suppressed anger on his face.他脸上露出一种抑制怒气的表情.The P...
Alanine appears to be the preferred amino acid in the transamination.丙氨酸在转氨作用中似乎是更好的氨基酸.In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.And in is...