What they find could provide clues to what might happen worldwide if ozone depletion continues.他们的发现可以揭示如果臭氧持续减少，世界范围内可能会出现什么情况。Man – made CFCs are the main cause of ozone depletion in the stratosphere.人造氯氟烃是臭氧层破坏的主因.Wit...
Increased consumption of water has led to rapid depletion of groundwater reserves.用水量的增加导致了地下水贮备迅速枯竭.What they find could provide clues to what might happen worldwide if ozone depletion continues.他们的发现可以揭示如果臭氧持续减少，世界范围内可...
Holdfast ( hapteron ) In algae , the cell or organ attaches the plant to the substrate.是藻类植物具有的一种起固着作用的细胞或器官.Up to 96 % ee was achieved with 4 - nitro - chalcone as enone substrate.以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.Kineti...
孩子们正在为抢夺电视机的遥控器而争吵。The children were squabbling over the remote-control gadget for the television.他们为了和竞争对手抢夺先机而公然无视法律。They are deliberately flouting the law in order to obtain an advantage over their competitors.这些小偷谋划抢...