氚是最和缓的放射性同位素之一.Tritium is one of the mildest radioactive isotopes.更为活跃的是氢的较重同位素, 氘和氚.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.氚肺扫描可能有助于早期诊断吸入性损伤.Xenon lung scans may be helpful in the ear...
"Doctor McKee?" the man called in an even, sonorous voice.“是麦基博士吗？”那个男人用平稳而洪亮的声音喊道。" I've done some nice things out on Long Island, " asserted Mr. McKee.“ 我在长岛那边拍过几张好的. ” 麦基先生断言.'Doctor McKee?' the man cal...
我最喜欢迈克尔·菲什。他滑稽逗趣，是个实实在在的人物。Michael Fish is my favourite. He's a hoot, a real character.对白逗趣但是情节薄弱。The dialogue is amusing but the plot is weak.那天晚上,他保持着最佳精神状态来助兴逗趣.He was in the best form for entertaining this eveni...