在当时,那真是一件不得不忍受的苦事.It was really a bitter pill to swallow at that time.批改试卷的确是个苦事.Marking examination papers is a real grind.在当时,那真是一件“不得”不忍受的苦事.It was really bitter pill to swallow at that time....
一旦杂质沉淀下去，油就可以分级了。Once its impurities had settled, the oil could be graded.将硫酸盐加入该溶液会产生沉淀.Adding sulphate to the solution will give a precipitate.渣滓沉淀在容器的底部.Dregs settled at the bottom of the container....
最后我就是无法做到在吉米倒霉时落井下石。In the end I just couldn't kick Jimmy when he was down.英格兰足球队结束了倒霉的阿尔及利亚之行，回到了国内。England's footballers are back home after their ill-fated trip to Algeria.人人都只考虑自己，谁落后谁倒霉。Every one for himse...
The rotational levels of the ground vibrational level may be depopulated by radiation.基态振动能级的各转动能级的粒子数可能因幅射而减少.The smallest energy transitions are between rotational levels; the next smallest between vibrational levels.在...