绿色分很多不同的色度与色调。Green has many different shades and tints.这颜料可用水稀释以使色度淡一些。The paint can be diluted with water to make a lighter shade.为能测定真实色度,必须先除去原样中的悬浮物.Suspended matter must be removed to enable determination of true c...
The school labours under the disadvantage of not having enough textbooks.这所学校苦于课本不足的不利条件.He labours under great difficulties in conversation, because he stutters.他谈起话来很吃力, 因为他口吃.Many workmen paid with their lives for the...