店里的一些地方十分肮脏不洁，简直就是滋生细菌的理想温床。Parts of the shop were very dirty, unhygienic, and an ideal breeding ground for bacteria.科学家认为,过度接触抗菌素使有抗药性的细菌的传播更广泛.Scientists believe overexposure to antibiotics helps resistant bacteria bec...
只有精密的X射线仪器才能显示出来。It will only register on sophisticated X-ray equipment.这是一台非常精密的机器.This is a very sophisticated machine.克莱斯勒公司在密执安的工程师设计出了世界上最精密的油箱.Chrysler engineers in Michigan had designed the world's most sophi...