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...
我把油画平放以防止未干的颜料流动。I lay the painting flat to stop the wet paint running.大型油画可以增加小房间的宽敞感。Large paintings can enhance the feeling of space in small rooms.水彩画似乎仍比油画略逊一筹。Watercolour still seems somehow to be the poor relation...
Laura was basting the leg of lamb.劳拉正往羔羊腿上浇抹油脂。Bake for 15-20 minutes, basting occasionally.烘烤15至20分钟，不时地浇点汁。Pam was in the middle of basting the turkey.帕姆正在往烤鸡上淋油。...
The Commandant has had a rotten day.司令官这一天过得真倒楣.The academy's commandant, General Andrew Ritchie , jokingly warned of tough times ahead.军校司令安德鲁·奇将军打趣说, 苦日子还在后面呢.The Commandant has nevertheless been compelled to look...