After some initial problems, acetone was successfully produced in quantity.解决了最初的一些问题之后,终于成功地制造出了大量丙酮。One might expect azomethane to have a Y structure similar to that of acetone ( CH 3 ) 2 CO.可以预期偶氮甲烷分子具有和丙酮 ( CH3 ) 2CO...
您也可以轻易地preapprove您现有的接触.You can also easily approve your existing contacts.将邮件分为个人 、 公司甚至购物三类就轻易地多.It a lot easier to have separate mails for business, personal, even shopping needs.我精通六百万种沟通方言, 并且可以轻易地.I am fluent in ov...
媒染剂有助于将染料附着于材料.A modent mordant helps fix the dye to the material.有种称为媒染剂的方法常用于染色过程中.A solution called a mordant is used the dying process.传统上, 这种媒染剂在自然界中就能够找到.Traditionally, modernts mordants were found found in nature ...
The pain had lessened in the night, but so had his lucidity.夜里他的痛苦是减轻了,但人也不那么清醒了。His writings were marked by an extraordinary lucidity and elegance of style.他的作品简洁明晰,文风典雅。What he has to say is expressed in prose of excep...