The case against is twofold: too risky and too expensive.反对理由有两点：太冒险而且太昂贵。The problem was twofold.这个问题分两个部分。The value of the new Cordinate Systems and surfaces is twofold.新坐标系和坐标曲面的价值是双重的....
有时这些碳棒包上一层铜,以增加其导电性.Sometimes the carbon rods are copper coated to improve electrical conductivity.它们在超导性和普通导电性的临界线上操作, 产生巨大的放大效果.Operating on the borderline of superconductivity and ordinary conductivity, they produce i...
He ladles out compliments to everyone, but he’s not really sincere.他见人就大加吹捧, 但并非出于诚意。As the English teacher is sincere and patient, every student of the class wants to be friends with her.英语老师待学生诚恳耐心, 大家都愿意亲近她.I never fe...
The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....
警方的射击手开火回击时，购物者们躲在汽车后面。Shoppers took cover behind cars as police marksmen returned fire.对峙双方都只是在瞄准射击无辜的旁观者。Both groups on either side are just picking off innocent bystanders.我从事射击运动已经16年了，很喜爱这项运动。I have been a shooter f...
她把大部分存款投资在公债和股票上.She invested most of her savings in stocks and shares.他买了许多公债.He bought a lot of government stock.他们热心购买公债.They are eager to buy their government bonds....
The remarks are meaningful and thought - provoking.语颇隽永,耐人寻味.This is an entertaining yet thought-provoking film.这部电影令人捧腹，却又发人深省。They can push ahead with their settlement and risk provoking a backlash.他们能在和解与风险激起反弹的情况下向前推...