正电子发射断层成像 ( PET ) 是一种结合单一分子放射示踪的成像技术.Positron emission tomography ( PET ) is an imaging technique that combines a radioactive tracer with a molecule....
The child often disobeys his mother.这个孩子经常不听他妈妈的话.This process is never completed, but it disobeys the law of diminishing returns.这个过程是无止境的, 可是这违背了报酬递减律.Any sailor who disobeys will be punished with six strokes of the wh...
Chris likes music and has a large collection of albums and cassettes.克里斯喜欢音乐，收集了大量的唱片和磁带。Most patients derive enjoyment from leafing through old picture albums.大多数病人都很喜欢翻看旧相册。Several blue plastic boxes under the window w...