α粒子是从天然放射性蜕变得到的带正电的氦核.Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子 —— 氦核 —— 正通过试管被抛出, 从而在试管中形成人造迷雾.Alpha particles -- helium nuclei -- were being hurled through the tube...
他猜测说有些人也许能够察觉重大灾难。He conjectured that some individuals may be able to detect major calamities.总统将这场灾难说成是天灾。The President described the disaster as an act of God.调查已经展开，以查明灾难是如何发生的。An investigation is underway to find out...
Planting his case on the table, he looked at us expectantly.他把箱子在桌子上放稳, 以期待的目光望着我们.Its five salesmen were waiting expectantly behind the counter.那边的四五个店员一字儿摆在柜台前,等候做买卖.The students were all waiting expectantly with grins...