If you couldn't attend either of the concerts and are currently gnashing your teeth at having missed out, don't despair...如果这两场音乐会你都未能参加并且正在为错失机会而懊恼的话，别灰心。I simply couldn't bear to leave my little girl...我...
马克被人从他着火的汽车残骸中拉了出来。Mark was dragged from the burning wreckage of his car.残骸的确切位置是在1988年发现的。The precise location of the wreck was discovered in 1988.这是我在撒丁岛附近的沉船残骸处潜水时所见的景象。This sighting occurred during my dive to a sunke...
它们叫做构象异构体,也叫做异象体.They are said to be conformational isomers also called conformers.异构体被定义为化学式相同而结构不同的化合物.Isomers are defined as compounds having the same formula but different structures.这能离析为旋光异构体 吗 ?Can it be resolved ...
the similitude between humans and gorillas人类和大猩猩的相像The linear scaling and the Reynolds number represent classical, aerodynamic similitude requirements applicable to law - speed flight.线性缩尺和雷诺数是低速飞行时经典的气动力模似要求.Difference ...