We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.More ammonium sulphate solution is being recovered in the process o...
我因为没给他打电话，被狠狠训斥了一顿。I got a severe telling off for not phoning him.他母亲把他叫到跟前训斥了一番，又哭哭啼啼地向上帝祷告。His mother summoned him, upbraided him, wept and prayed.船长就安全问题严厉地训斥了我们一顿。Our captain gave us a stern lecture on safety....
Jack had attended these meetings as a matter of routine for years.数年来，杰克把参加这些会议当成是例行公事。I would like your advice on a matter of conscience, Father.我想就一件有关良心的事征求您的建议，神父。The survey's findings are a matter of great conc...
他中学时不擅长代数.He was not good at algebra in middle school.在代数里, 符号X常用来表示未知数.In algebra, the sign X usually denotes an unknown quantity.他的同学们正在绞尽脑汁地演算初等代数题.His classmates were labouring with elementary algebra....