hydrogen的复数形式怎么写？

n.氢...

Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。Carbon, hydrogen and oxygen combine chemicall...

General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Producing the hydrogen fuel uses the harm...

hydrogen的音标：hydrogen的英式发音音标为：['haɪdrədʒən]hydrogen的美式发音音标为：['haɪdrədʒən]...

prefer的近义词有：choose, select, elect, pick, prefer, opt,like, love, enjoy, fancy, adore, prefer。下面这些动词均含有"选择"的含义：choose：普通用词，侧重根据个人意愿和判断从众多的对象中进行选择，着重被选者的优点。select：书面用词，具有庄严、正式的感情色彩。强调精选。elect：指按照一定的规章或法律，用投票等方式进行的认真慎重的选择。 ...

n.Helicon 山之灵泉，诗的灵感...

We got the Post Office to redirect our mail when we moved.搬家后我们让邮局给我们转寄邮件.Controls were used to redistribute or redirect resources.采用了管控措施来重新分配资源或改变其流向。It'should only take me a few minutes to redirect the power to t...

波音公司总部所在地：美国主要业务：航空航天，[人名] 波音...

我们的协议是以不扩散这一重要标准为基础的.Our agreement is founded on important nonproliferation standards.核不扩散条约将面临更大的压力.The Nuclear Non - Proliferation Treaty will come under further pressure.但《核不扩散条约》 ( NPT ) 现在看来正在经受考验.But the Nuclear No...

“有效果”的英语可以翻译为：effective，work...

Adamantane and bicyclo ( 222 ) octane are predominantly Chlorinated at the bridge heads by this procedure.金刚烷和二环〔222〕辛烷主要是按照这个程序在桥头氯化.Using tendo - tetrahydrodicyclopentadiene as raw material and AlCl _ 3 - trace water s...

n.圆胖，丰满...

n.网状中柱...

vt.预防，阻碍，阻止，[宗教]引领vi.阻挠，阻止...

Myocardial的音标：Myocardial的英式发音音标为：[ˌmaɪə'kɑ:dɪəl]Myocardial的美式发音音标为：[ˌmaɪə'kɑdɪrl]...

“生殖腺”的英语可以翻译为：germen，gonad，[医] genital gianas，gonades ...

Other causes of migraine are VDU screens and strip-lighting.偏头痛的其他诱因还有电脑的视频显示器和灯管照明。When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。Our instinctive reaction when someone causes us pain is...

I noticed the darker paint where our old mezuzah used to be.门上那块颜色黯淡的漆,正是我们以前贴平安符的地方呀!...

亮点...