这些门还要染色涂清漆。The doors are then stained and varnished.这种料子容易染色 吗 ?Does this material stain easily?此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.At this point esch chromosome consist of a pair of chromatids and the two associated chromos...
A vast panorama of the valley lay before us.山谷的广阔全景展现在我们面前.As we stepped into the vast inclosed court of the castle I got a shock.刚走进城堡中那个四面都是墙的大院子,我就不由得心惊胆战.Vast tracts of the country are wild and undeveloped...乡间大片大片的荒...