Choose a soft, medium or firm mattress to suit their individual needs.针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。The bunk mattress was hard, the blankets prickly and slightly damp.这个铺位的床垫很硬，毯子也很扎人，而且还有点潮。The mattress and base are norma...
It'sensed a mineral called hematite that often forms under wet conditions.发现一种被称作赤铁矿的矿物质,一般是在湿润的环境下形成的.Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.Prismatic crystals of...
Objective: To discuss the simpler and better therapy for chronic anal fissure.目的: 观察定位扩切术治疗慢性肛裂的临床效果.In many cases, the Simpler Huygens - Fresnel treatment will prove quite adequate for our purpose.在许多情况下, 对于我们的目的来说,更简单的...