There is a common method of refining alkaline cleaning , clay refinement and hydrofining, and so on.常用的精制方法有碱洗, 白土精制和加氢精制等.The development of new petroleum wax hydrofining catalyst - FV - 10 commercial experiments on var...
He likes being mothered by his landlady.他喜欢女房东无微不至地照顾他.She hadn't planned it but had already mothered twins.她不是有心的,但却已经是一对双包胎的母亲了.She mothered her brother and sister.他关照了弟弟和妹妹....
在久远的过去，岩石板滑落到周边，从而形成了这个洞。Slabs of rock had slipped sideways in the remote past, and formed this hole.他对于他那久远的弗吉尼亚的家谱很引以自豪.He was very proud of his old Virginian ancestry.在车轮轧轧的节奏声中,他想起了意莱莎为一些久远的事发出的笑声.Above the rhythm of...
He executed the same maneuver, easily swinging his boots over the wire.他也照此办理, 穿靴子的脚轻松地迈过铁丝网.She tried to maneuver her body into a more comfortable position.她试着把身子挪了挪，换了一个较为舒服的姿势。The pilot was able to maneuver the crippl...