All my attempts to amuse the children were met with sullen scowls.我想尽办法哄这些孩子玩儿,但是他们总是满脸不高兴.Frowns, scowls and grimaces all push people away -- but a smile draws them in. 1.愁眉苦脸只会把人推开, 而微笑却把人吸引过来....
研究了蜜胺磷酸盐和聚磷酸铵的互配(作用).Reciprocal preparations of melamine phosphate and ammonium polyphosphate were studied.直到现在, 治疗晚期昏睡病患者时都用硫肿蜜胺药物.UnitllUntil now, the drug melarsoprol was used to treat patients in the advanced sleepin...
这些家庭当中只有三分之一认为用水表计量是合理的。Only a third of these households thought it reasonable to meter water.每天的饮酒量不应超过两个计量单位。Your intake of alcohol should not exceed two units per day.你如何计量气体的体积？How do you measure the volume of a gas?...