butyrolactone的音标？

n.丁内酯...

N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....

v.沉迷( wallow的第三人称单数 )，热中于，在海浪中颠簸，快活地在泥沼中打滚...

“抑郁”的反义词：开朗, 畅快, 轻松, 畅快, 舒畅, 开朗。...

republican的复数形式为：republicans...

a note with subtle variances of pitch音高有细微变化的音符That subsection allows variances based on water quality considerations.那条细目基于对水质的考虑,允许有差异.In subsequent cases, the Court clarified the nature of these " FDF " variances.在随后的...

“尾随”的拼音为：wěi suí...

Lemming-like we rushed into certain disaster.我们像旅鼠一样忙不迭地投入灾难。The soldiers continued their advance, possessed by some lemming like instinct for self - destruction.士兵们持续他们的前进, 像某些旅鼠 自我 毁灭的天性般著魔.North American lemming havin...

Gonatodes的音标：...

失宝复得的梦想近来几乎成了现实.Dreams of finding lost treasure almost come true recently.时光流逝,不可复得.Time lost cannot be won again.(谚语)失者不可复得.What's lost is lost....

adj.无线电传送的...

n.资格，条件，合格证书( qualification的名词复数 )，资格，条件，限制...

她打算今天早上8点整准时开门营业。She planned to unlock the store at 8.00 sharp this morning.当他推开门时，一口旧式的钟丁零零地响了起来。An old-fashioned bell tinkled as he pushed open the door.“警察！开门！”——“哎呀。”我想，“又来了。”"Police! Open up!" — "Oh well," I thought...

He just needs to calm down a wee bit.他只是需要稍微冷静一下。I was just meant to come out here and inoculate some wee babies.我是过来这边给小孩子们接种疫苗的.I've got a wee kitten in the flat.我在公寓里养了一只小猫。Mummy, I need a wee.妈妈，我要撒尿。...

Carbofrax used as the chill material for casting may make casting obtain compact and wear - resistant structure.碳化硅作为铸铁件激冷材料,可以使铸件获得致密而 耐磨 的组织....

“一页”的拼音为：yī yè...

帕尔默先生是一名退休的数学教师。Mr Palmer was a retired maths master.他现在已经完全打消了退休的念头。He has now banished all thoughts of retirement.莫里斯现在已经打消了退休的所有念头。Morris has now banished all thoughts of retirement....