Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.Tritium has a half - life of 12.4 years.氚的半衰期为12.4年,地球形成时的氚早已...
...tritium, a radioactive isotope of hydrogen.氢的放射性同位素氚Tritium has a half - life of 12.4 years.氚的半衰期为12.4年,地球形成时的氚早已不存在.The Energy Secretary hopes to bring on line a safer new tritium production reactor...能源大臣希望能投产一座更安全的...
Both drugs slow the progression of HIV, but neither cures the disease.这两种药物都可以延缓艾滋病病情发展，但是都不能治愈这种疾病。There's a time lag between infection with HIV and developing AIDS.从感染艾滋病病毒到病发有一段滞后期。All donated blood is screened f...
这种病情叫做季节性情感失调症，或简称SAD。This condition is called seasonal affective disorder, or SAD for short.糖尿病是由体內胰岛素分泌失调引起的.Diabetes is caused by a fault in the insulin production of the body.她装做对自己的失调和苦恼若无其事, 但是实际上她是为自己的健康状况非常发愁的人.S...
Striker Alan Smith was guilty of two glaring misses.前锋艾伦·史密斯两次严重失误，将球射偏。I never saw such a glaring example of misrepresentation.我从未见过像这样明目张胆地歪曲事实。The report contained some glaring errors.报告中有些大错误....
问题这么设计，就是为了让她出丑。The questions were set up to make her look dumb.让人出丑显然不是我的策略。Making people feel foolish is emphatically not my strategy.他们等着瞧那个可怜的富家小姐出丑。They're waiting for the poor little rich girl to take a pratfa...
The cafe was a good vantage point for watching the world go by.从这家小餐馆能清楚地看到世事的变迁。The kernel of that message was that peace must not be a source of advantage or disad-vantage for anyone.那一信息的核心是和平绝不应该成为对任何人有利或不利的根源。The wa...