Methods: Cell culture in serum - free medium , indirect immunofluorescence cytochemistry were used.方法: 采用无血清细胞培养技术, 间接免疫细胞化学染色法.Methods Single and double staining immunofluorescence techniques were used.方法采用免疫荧光单标记法和免疫荧光...
弗朗西丝卡听见那辆走调的小卡车经过.Francesca heard the out - of - tune pickup go by.就在这时开过来一辆小卡车.Just then a small truck drew up.我把我的旧车汰换成全新的小卡车.I replaced my old car with a brand new pick - up truck....
我视他为我的朋友和保护者。I regarded him as my friend and protector.对森林的商业开发所带来的影响让智利的自然资源保护者们感到忧心忡忡。Conservationists in Chile are concerned over the effect of commercial exploitation of forests.这座房子年久失修，但一群古建筑保护者已翻盖了房顶。The house fel...
Proverbs and idioms may become worn with overuse...谚语和习语会由于使用过多而变得俗套。Proverbs exhibit most of the stylistic devices of poetry.许多谚语具有诗的风格和手法.We should not use proverbs and allusions indiscriminately.不要滥用成语典故.Witticisms, m...
I helped her in unpacking.我帮她打开包。Joe sat on the bed while Martin was unpacking.马丁打开箱子取东西的时候，乔坐在床上。They are unpacking a trunk.他们正在打开衣箱。A lot of ground has been covered in unpacking the issues central to achieving this mar...