Magnesium hydroxide particles were synthesized via decomposition of hydrosulfide compound followed with hydrothermal treatment.以工业氯化镁和硫氢化钡为原料,采用复分解法合成高纯氢氧化镁.There are also some estimates of the efficiency of litter decom...
Barcelona will be hoping to bring the trophy back to Spain — sorry, Catalonia — for the first time.巴塞罗那将有望首次把奖杯捧回西班牙——抱歉，是捧回加泰罗尼亚。The trophy is very impressive and rather special because it has a beautiful green patina.....
I'm so glad he had a pang of conscience.我很高兴他会有负疚感。Except for a small pang, her headache has gone.除了偶有不适外, 她的头痛已经好了.She experienced a sharp pang of disappointment.她经历了失望的巨大痛苦....