偏头痛的其他诱因还有电脑的视频显示器和灯管照明。Other causes of migraine are VDU screens and strip-lighting.这些症状尤其与偏头痛相关。These symptoms are particularly associated with migraine headaches.我得了偏头痛。I'm getting a migraine....
After John found farming unprofitable,he moved to town and turned his hand to carpentry.约翰发现务农无利可图后,他就搬到城里开始做木匠。Shingling is a craft very different from carpentry.锻造是一种非常不同于木工的技艺.Ask Neil to do it—he’s a dab hand at carp...
More ammonium sulphate solution is being recovered in the process of distilling oil shale.在提炼油页岩的过程中回收的硫酸铵液比过去多了.Ammonium chloride under thermal dissociation forms ammonia and hydrogen chloride gases.氯化铵在热力分解作用下形成氨和氯化氢气体...