tritium什么意思

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...

tritium的音标：tritium的英式发音音标为：['trɪtiəm]tritium的美式发音音标为：['trɪtiəm, 'trɪʃi-]...

World leaders are expected to sign a treaty pledging to increase environmental protection.世界各国首脑预计会签署一份承诺加强环境保护的协定。The leaders have been ousted from power by nationalists...这些领导人被民族主义者赶下了台。The two leaders were flummoxed ...

Llanvirnian的音标：...

“克隆”的拼音为：kè lóng...

“敌人”的英语可以翻译为：enemy，foe，foeman，[电影]Dushman...

count的近义词有：calculate, count, compute, reckon,consider, think, believe, count, deem, reckon, regard。下面这些动词均含有"计算"的含义：calculate：通常指要求细致精确和复杂的计算，以解决疑难问题，多用于自然科学、生产部门或要求专门计算的场合。count：指逐一计算而得出总数。compute：一般指已有数据的，较简单但数字长的数学运算。...

vt.再确认，再次复核...

Don't allow a minor irritation in the workplace to mar your ambitions...不要让工作中的一点烦心事打击了你的雄心抱负。How, how , Cordelia ! Mend your speech a little lest you may mar your fortunes.李尔修正修正你的言辞,否则会毁坏你的命运的.In twenty years of m...

The foxes come and scavenge the bones.狐狸过来寻觅骨头。The flash sent the foxes scampering away.闪光惊得狐狸四处逃窜。Foxes, wild cats and other animals pursue the hare.狐狸 、 野猫及其他一些动物都捕食野兔....

afoot的音标：afoot的英式发音音标为：[ə'fʊt]afoot的美式发音音标为：[ə'fʊt]...

cayenne的音标：cayenne的英式发音音标为：[keɪ'en]cayenne的美式发音音标为：[keɪ'en]...

It was stupid, just vandalism for the hell of it.只是为了好玩而破坏公物是很愚蠢的行为。It was wanton, moronic vandalism.这是无端、愚蠢的恶意破坏。a deliberate act of vandalism故意毁坏的行为...

The high laevorotation of L - cystine depends on a specially helical structure of its molecular.指出了L - 胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的.L - Cysteine is a, neutral, genetically coded amino acid, derived from cystine and found in ...

robots的音标：robots的英式发音音标为：['rəʊbɒts]robots的美式发音音标为：['roʊbɒts]...

这是冷却,滤出沉淀的二氯碘化铯.It is cool and filter the precipitated caesium dichloroiodide.不然可能形成四氯碘化铯.Otherwise cesium tetrachloroiodide may be formed.金属片上涂有象铯那样的某种特殊材料.The metal sheet is coated with a certain special material, such...

n.（尤指加拿大的一种）平底船，轻舟...