Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.研究了用无溶剂重结晶法提纯2,6二氯甲苯.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination...
We searched until we knew it would be pointless to continue.我们搜索又搜索，直到觉得继续下去也枉然时才罢手。Who wouldn't have preferred this with life so pointless, bitter and hopeless?谁不喜欢这样呢,生活既是那么无聊, 痛苦,无望!It is pointless to have a car ...
我的教母除了在圣诞节很吝啬地给我十个先令外,什么也不给我.My godmother never gives me anything but a mingy ten shillings at Christmas.他们俩在客厅里很吝啬地讨价还价.The two were haggling shabbily in the drawing - room.科学是个很不仁慈的女主人. 她吝啬地报答那些为科学而献身的人.Science is very...
盖革计数器示出放射性粒子的高浓度.The Geiger counter registered a high concentration of radioactive particles.这是一种盖革计数管,用来测量辐射的.This is a Geiger counter for detecting radioactivity.盖革计数器显示出放射性危险程度.The Geiger counter registered a dangerou...
This season the club has had 73,500 season-ticket holders.本赛季该俱乐部已经有73,500名持有季票的观众。Talk to other franchise holders and ask them what they think of the parent company.和其他特许经营者谈一谈，问问他们对母公司是什么看法。They appear to be in a mood ...