A dog will not howl if you beat him with a bone.要想狗不叫，必须有骨头The child set up a howl.这个孩子大哭起来。He gave a howl of pain.他发出一声痛苦的吼叫。African hyena noted for its distinctive howl.非洲鬣狗，以其特别的嚎叫而闻名。Envy assails the noblest, the win...
细胞壁上有不规则的增厚, 增厚的部分通常在几个细胞 邻接处 的角隅上特别明显.The cell walls are irregularly thickened and pectin , the thickening giving distinct the cells in cross - section....
Loads distort every component of the structure of the Cassegrain antenna system.载荷使卡塞格伦天线结构的每个部分发生变形.This paper presents a high power feed system for 7.3 m Cassegrain antenna.介绍用于?7.3mCassegrain天线的高功率馈源喇叭的设计.Participate ...
那把刷子刚毛不够,不适用于用力洗刷.That brush is not adequately bristled for heavy cleaning.外层披毛为刚毛, 毛质硬,内层底毛柔软浓密.It is a hard , wiry outer coat with a soft, dense undercoat.被毛为坚硬的刚毛,浓密的、厚厚的贴在身上.The coat is hard, wiry and dense with a cl...