I certainly think there should be a ban on tobacco advertising.我确实认为应该禁止香烟广告.Top supermarkets are to ban many genetically modified foods.大品牌超市即将下架许多转基因食品。Britain's health experts are pushing for a ban on all cigaret...
两层细胞 ( 两胚层 ),中间是凝胶状的中胶层.Two cell layers ( diploblastic ) separated by a gelatinous mesoglea.天边是耀眼的橙红色曙光, 下面点缀着一条凝胶状的淡绿色带子.Dawn came glassy orange , stained from below by a gelatinous band of pale green....
That was antecedent to this event.那是在这件事之前.Those were events antecedent to the revolution.这些都是革命前的事了。Physical processes flow inevitably from their antecedent conditions.物理过程的出现必然有其前提.It was permissible to take account of...
Chlorophyll is produced by the action of light on the plants'leaves.光对植物的叶子发生作用从而产生叶绿素.The disease causes varying degrees of destruction of the chlorophyll.这一病害使叶绿素遭到不同程度的破坏.The structure of the chlorophyll molecule...