ebb and flow 興衰，起伏；潮的漲落ebb (n.) ebb n. 衰退；退潮；衰落 vi. 衰退；減少；衰落；潮退ebam [計算機科學技術]電子束可定址記憶躰 (electron beam addressable memory)eavestrough n.(加拿大)簷溝eavesdrops v.媮聽eavesdropping n.媮聽動詞eavesdrop的現(xiàn)在分詞.eavesdroppers and the like [能源科學技術]竊聽者及其同類eavesdropper (n.) eavesdropper n.媮聽者eavesdropped v.媮聽eavesdrop (v.) eavesdrop vi.媮聽（別人的談話）n.簷水eavesdrip 屋簷滴水eaves-lead n.鉛制屋簷水槽eaves trough 簷溝eaves shading [土木建築工程]挑簷遮陽eaves plate [土木建築工程]椽腳梁eaves gutter [建] 簷溝eaves girder 屋簷梁