isobutyrate的意思

A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件....

isobutyrate的音标：isobutyrate的英式发音音标为：[aɪsəʊ'bju:tɪreɪt]isobutyrate的美式发音音标为：[aɪsoʊ'bjutɪreɪt]...

n.[ similarity ]的复数形式，类似( similarity的名词复数 )，相像性，相仿性，类似性...

catapult的音标：catapult的英式发音音标为：['kætəpʌlt]catapult的美式发音音标为：['kætəˌpʌlt,-ˌpʊlt]...

The focus here is visual flashiness and gratuitous technology.它的焦点关注与视觉效果,对技术含量的要求不高....his insistence on offering gratuitous advice.他坚持要提供一些无谓的建议gratuitous violence on television电视节目里无谓的暴力镜头Folly, folly , his heart kept...

...bruised tomatoes and cucumbers...被碰伤的西红柿和黄瓜She bruised herself against the desk.她撞到书桌上, 受了瘀伤。He was very bruised and suffering from whiplash.他满身青肿，而且颈部过度屈伸受伤。She continued massaging her right foot, which was bruised a...

“缠住”的拼音为：chán zhù...

Cloisonne vases! Many foreigners take a fancy to them.景泰蓝花瓶! 许多外国朋友都喜欢这些东西.This factory produces China � � s traditional hand craft: cloisonne, or Beijing enamel, as it is called.这个厂主要生产我国传统工艺品: 景泰蓝制品, 也叫北京烧瓷.The Best - ...

“展现”的拼音为：zhǎn xiàn...

v.使非神秘化( demystify的过去式和过去分词 )...

laterals的音标：laterals的英式发音音标为：['lætərəlz]laterals的美式发音音标为：['lætərəlz]...

n.氰...

crook的近义词有：curve, bend, bow, crook, twist。下面这些动词都含"弯，弯曲"的含义：curve：指变成曲线或弧线状的动作或状态。bend：普通用词，指把某物变成曲线或角形。用于人时，指头部或身躯弯下。bow：指把头部或上身弯向前方的动作，也指社交中的礼节性动作。crook：指不规则的弯曲，也指按照规则或模型弯曲某物。twist：指通过转动、拧或扭使某物成弯曲状。...

Suddenly, a lot of these bills have come due at once.突然, 许多账单都一起到期了.With the end of the programme the bill will come due, in terms of reduced sales.这项措施带来的苦果势必导致销售额的下降.Some short - term notes come due. That has caused a ...

n.枝形吊灯...

adv.精力充沛地，积极地，大力，上劲，起劲...

“顺序”的反义词：颠倒。...