Plainard普莱纳尔plainadj.清楚的；简单的；坦白的；平常的；朴素的；纯的n.平原；广阔的区域adv.完全地；纯粹地Plain-colored Laughingthrushn.纯色噪鹛Plain-backed Mountain Thrushn.光背地鸫Plain-capped Ground-Tyrantn.纯色顶地霸鹟plain surface grinding machine平面磨床Plain Old Telephone Service LT传统普通电话业务plain-coloured satin brocade素软缎plain-woven cotton fabric.简单的棉布纤维制成的衣料。Plain-breasted Ground-Doven.纯胸地鸠plain-face corrugated flange平面波纹法兰plain living and hard struggle艰苦奋斗