It meant the death of everything he had ever been or ever hoped to be.这意味着他过去的一切存在或曾经希望的存在均已终结。As in all experimental sciences, we still do not know everything about nutrition.就像所有实验科学一样，我们仍然没有完全认识营养作用。We were so thick l...
This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。Even so, on experimenter can predict which of the remaining fragments will be cloned.即使如此, 任何实验工作者仍不能预料剩下的片段中哪个将无性繁殖.Recently, some English scien...
正如在1.21中所指出的,在总能量中, 辐射能仅占很少的一部分.As indicated in 1.21, the radiation energy is a very small proportion of the total energy.这种表面不会反射辐射能, 因此呈现黑色.Such a surface would reflect no radiant energy, and hence would appear black i...