This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。The two biologists found, to their surprise, that both groups of birds survived equally well.这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。Biologists need to compare...
The two biologists found, to their surprise, that both groups of birds survived equally well.这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。The biologists are studyin...
The hen moved the chicks along with pecks.母鸡用喙啄着小鸡往前走. 匆匆的一吻She does not like the hen that pecks all day.她不喜欢这个整天啄来啄去的母鸡.Because she is not feeling well, she just pecks at her food.她身体不适, 所以只吃一点点饭....