underdov.嫩煮;不尽全力
underprep.低于;在 ... 下;在 ... 内;在 ... 控制下adv.在昏迷中;在 ... 下adj.下面的;从属的;少于的
understorey下层木
under waist衬里背心
under frame底架,底框
underloadedv.轻负载adj.未装足的(轻载的;荷载不够的;轻负载的)
under weighadj.进行着(开动)
under blows受到打击
underdampedadj.欠阻尼的
underhandedadj.不光明的;卑鄙的;人手不足的
"underlay the plate"
"They underlaid the shingles with roofing paper"
"underlay the boards with joists"