Teddy clucked his tongue like a disapproving English matron.特迪咂了咂舌头，活像个不以为然的英国女舍监。Chickens clucked in the garden.鸡在花园里咯咯叫。The teacher clucked sympathetically at the child's story.对那小孩讲述的遭遇，老师啧啧地表示同情。...
PC - 3 cells were transfected with mGM - CSF expressing plasmid or the control vector by lipo - some transfection.通过脂质体转染法,将含GM -CSF 基因的质粒及空质粒转染至PC -3 细胞.Conclusions 1 . The expression vector pS 2 - DTA contains the EWS ...
The text is approachable, coping well with quite complicated subjects.这篇课文把相当复杂的主题讲述得深入浅出、通俗易懂。We found him very approachable and easy to talk with.我们认为他非常和蔼可亲，容易交谈。I wanted to appear friendly and approachable but I thin...