a shelf or slab of stone, wood, or metal at the foot of a window or doorway
基石;底木;窗台;门槛。
a strong horizontal beam forming a base in the frame of a timber-framed building
(木框架建筑的)底框梁。
a strong horizontal member at the base of any structure, e.g. in the frame of a motor or rail vehicle
(机动车或有轨车辆等的)底框梁。
【地质】 岩床。比较
an underwater ridge or rock ledge extending across the bed of a body of water
海底山脊。
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silln.基石;底木;窗台;门槛;底框梁;岩床;海底山脊
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billn.账单;账款;议案;节目单;钞票;招贴;海报;传单;喙;鸟嘴;岬;岬角;钩镰枪;(Bill)警方;警察
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milln.磨坊;碾磨厂;磨粉厂;引擎;拳击比赛;拳斗;密尔;厘;(Mill)人名:穆勒
"Old English