房间里阴暗、清冷，静悄悄的。The room was dim and cool and quiet.房间里静悄悄的，只有她的啜泣声。The room was silent except for her sobbing.一阵悄悄的低语声传遍了整个教室。A quiet murmur passed through the classroom....
Adding sulphate to the solution will give a precipitate.将硫酸盐加入该溶液会产生沉淀.A cool breeze caused a precipitate drop in the temperature.冷风使温度急降.Clouds usually precipitate as rain or snow.云常会凝结成雨或雪....
There is a regulation against adulterated cosmetics.规定禁止出售假冒化妆品。Cosmetics do not cover up the deficiencies of nature.化妆品并不能掩盖先天缺陷.The evidences of the application of rutin in antiaging cosmetics were presented.简述了芦丁用于抗衰老...