beachyadj.像海滨的；多砂砾的beachn.海滩；海滨；沙滩vt.拖(船)上岸beach deposit海滩沉积,海滨沉积beach pajamas海滨散步服beach retreat海滩后退beach peavinen.海淀山黧豆beach advance海滩推进beach sandbar滩坝砂beach sediment海滩泥沙beach oilfield滩海油田beach platform海滩台地beach profiles岸滩剖面