The slowness is dissolve in hydrofluoric acid and hot oil ofvitriols.缓慢溶于氢氟酸和热浓硫酸.Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.表明笔石详细构造的物质是利用氢氟酸从石灰岩...
建筑工人在8根细柱上架起轻巧的混凝土穹顶。The builders have perched a light concrete dome on eight slender columns.摩根派遣部队同时袭击了两个据点。Dividing his command, Morgan assailed both strongholds at the same time.《观察家报》上有一篇关于斯派克·米利根的长篇文章。There is a le...