Single parents cope heroically in doing the job of two people.单身父母扮演双亲的角色非常辛苦。He heroically defended democratic principles.他勇敢地捍卫民主原则。Thousands upon thousands of martyrs have heroically laid down their lives for the peop...
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。Choose a soft, medium or firm mattress to suit their individual needs.他一头柔软卷曲的黑发，眼睛又黑又亮。He had fuzzy black hair and bright black eyes.他舒舒服服地坐在柔软的躺椅上。He was comfortably seated in a soft reclini...
这种蜡质属于乙醇有机溶剂的萃取物.The waxes are classed as alcohol or organic solvent extracted materials.这种萃取改变了整个毛纤维中所有细胞膜的网状结构.Such extraction modifies the whole cell - membrance network throughout the wool fiber.用各种稀的无机酸来萃取阴离子.A vari...