Are leukaemia and albinism same kind of disease?白血病与白化病是同一种病 吗 ?What should albinism child notice in nursing daily?白化病孩子在日常护理中应该注意什么?Albinism: ABsence of the pigment melanin in the eyes, skin, hair, scales, or feathers.白...
Use a template or stencil or simply do it freehand.使用样板或模版，或者干脆徒手画。Serveral of commonly used methods are photoprinting, photoengraving , mechnical engraving, and stencil.通常所采用的几种储存方法是:影印法 、 照相蚀刻 、 机械雕刻和模板.He can stencil ...
埃迪将自动步枪的保险栓重新拉上。Eddie slipped the safety catch on his automatic back into place.给窗户装上安全锁或窗栓。Fit windows with safety locks or catches.他插上了门(栓).She bolted the door....