解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.普通的陶瓷元件分别是钛酸钡和锆钛酸铅.Common ceramic elements are barium titanate and lead zirconate - titanate.钡剂反流进入回肠末端.There is reflux of barium into the termi...
A: The regulation outlines specific exemptions for some WPM.答: 该规定概述了某些木质包装材料的特定的例外情形.All the tariff reductions and exemptions were applied on an MFN basis.所有减免税在最惠国待遇基础上适用.Such exemptions are subject to review by the SE...
I struck the ball cleanly and my shot was on target.我干脆利落地击球，命中了目标。Cut them off cleanly through the stem just below the node.就从茎节下面，沿茎干把它们全砍掉。The wounds may heal cleanly or they may ooze a clear liquid.这些伤口可能会利索地愈合，也可能会分...
It would be uneconomic to try and repair it.花钱修理不合算。The company said the service was uneconomic.公司说这项业务不赚钱。Sending a replacement jet would have been uneconomic.当时派一架喷气式飞机去替换的话，代价太大了。...
The club members held a secret ballot to choose the chairperson.俱乐部成员用无记名投票选举负责人.Members of the association shall elect one Chairperson.第十四条本会置理事长一人,由会员互选之.Her questions have caught the department chairperson flat - foot...
a gauche person笨拙的人We're all a bit gauche when we're young...年轻的时候我们都有点放不开。She was a rather gauche, provincial creature.她是个非常不善交际、偏狭守旧的人。We're all a bit gauche when we're young.年轻的时候我们都有点放不开。I find hi...
远水解不了近渴.Water afar quenches not fire.对水解酶间隔作用作完全分析是很难达到的.A complete analysis of the compartmentation of hydrolases is difficult to achieve.几种氨肽酶把肽水解成氨基酸.Several aminopeptidases complete the hydrolysis of peptides into am...