alkalis什么意思解释

Acids neutralize alkalis and vice versa.酸能使碱中和,碱亦能使酸中和.What's the scale that's used to compare the strength of acids and alkalis?用何种标准来比较酸碱度？Aluminium and other metals are normally badly corroded by alkalis.铝和其...

alkalis的音标：alkalis的英式发音音标为：['ælkəlɪs]alkalis的美式发音音标为：['ælkəlɪs]...

Aluminium and other metals are normally badly corroded by alkalis.铝和其他金属通常会被碱严重腐蚀.Acids neutralize alkalis and vice versa.酸能使碱中和,碱亦能使酸中和.Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.弱碱 在水中部份电离,放出氢...

motorcycle的一般过去时为：motorcycled...

anconal的音标：anconal的英式发音音标为：[æn'kənəl]anconal的美式发音音标为：[æn'kənəl]...

v.使动作( actuate的现在分词 )，开动，（通常用于被动语态）驱使，激励...

The tension subsided and life returned to its boring eventless pattern.紧张气氛渐渐松驰下来,生活又回到原来的轨道上,平静无事、枯燥无味....

n.公马和母驴所生的骡子( hinny的名词复数 )...

He'd snared a rabbit earlier in the day.那天早一点的时候，他设套捉了一只兔子。He snared a job with IBM.他以巧妙的手段在IBM公司 谋得一职.The hunter snared a skunk.猎人捕得一只臭鼬....

n.氨基比林，匹拉米洞...

appraise的近义词有：estimate, appraise, assess, evaluate, value, rate。下面这些动词均有"估价，估计"的含义：estimate：通常指由个人作出的主观估价。appraise：指以专家身份作了最终精确的估价。assess：原义指对为确定交多少税而估计，引申指通过估价以便更好利用。evaluate与appraise相似，指使判断绝对准确，但多用于对人物的某方面的评价，很少用于评价某物的...

lapis的音标：lapis的英式发音音标为：['leɪpɪs]lapis的美式发音音标为：['leɪpɪs]...

likened的音标：...

他死于劳累过度引起的心脏病发作。He died of a heart attack brought on by overwork.他可能会因为劳累过度而英年早逝。He might burn himself out and go to an early grave.黑格注意到了他“看上去消瘦，非常劳累”的样子。Haig noted how he "looked pinched and rather tired"....

kibble的现在完成时为：kibbled...

It enter the late blastula stage in 6 h 50 min.6小时50分进入低囊胚期.However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.The cells of t...

pester的一般过去时为：pestered...

interludes的音标：...