In my experience a straight substitution of carob for chocolate doesn'twork.根据我的经验，用角豆制品直接代替巧克力行不通。We use saccharin in substitution for sugar.我们用糖精代替糖.Substitution, No.3 for No.4.换人,4号下, 3号上....
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.大多数连于芳核能被直接取代的基团仅限于重氮盐.Severe steric effects at the reactive carbon would impede the substitution.大的立体效应阻止在碳上的取代.We use saccha...
We tend to meet up for lunch once a week.我们往往每周共进一次午餐。The three parties will meet next month to work out remaining differences.三方将在下个月会面，以解决余下的分歧。Many of Britain's beaches fail to meet minimum standards of cleanline...
Fish and rice were the mainstays of the country's diet.鱼和米是该国的主要食品。Self - confidence and self - reliance are the mainstays of a strong character.自信 与自力是坚强品格的柱石.These were the mainstays of her life.这些就是她生活中主要寄托....
I knew they were all drowned by the cannonade.我知道,大炮的声音是压倒一切的.It was the last of the cannonade.这是最后一炮.However, their chirrupings will be stilled before long by the thunder of the cannonade.然而, 他们的窃窃私议不久将被雷鸣般的炮声所淹没....
她抬眼迅速瞥了他一下，然后眼睛又垂了下去。She gave him a quick, upward look, then lowered her eyes.他的额头上垂着一绺散开的黑色卷发。A curl of black hair fell loosely across his forehead.坐着或者走路的时候低头垂肩，这种不正确的姿势会压迫体内的器官。Poor posture, sitting or walking slouche...