There are several ways to separate excited from unexcited molecules, thus harvesting the desired isotope.目前有几种方法可以把受激发分子同未受激发分子分离开, 这样,就可以大量得到我们所需要的同位素了.He was still unexcited.他仍然不激动....
Peter heard the sound of gunfire...彼德听见了枪炮声。...after a morning punctuated by regular volleys of gunfire...过了枪声阵阵的早上之后The soldiers in the open field were exposed to the enemy's gunfire.旷野中的士兵遭到敌人炮火的攻击。A school bus wa...
Many cooks use mallets to pound meat to make it more tender.许多厨师使用木槌来敲肉使它软化.Paul spawned Manchu people safe, usually into the mountains, mallets, to shock tigers.满族人为保人丁平安, 平时进山, 敲击木棒, 以震虎狼....