floor sill

基本解釋

Study on hydraulic characteristics of transverse vortex behind sill of energy dissipator with step-down floor;
對比常規(guī)的底流消能工，對跌坎式底流消能工消能水力特性進(jìn)行了分析和試驗(yàn)研究。
With rear seats that fold down flat to the floor and a hatchback with a low sill height, the Fit can have an enormous and easily accessible cargo hold.
飛度的后排座椅可以將靠背折疊放平，掀背式的后門加上很低的門檻使得飛度有一個(gè)非常人性并且易于存放的行李空間。
laoguoweixiu.blog.163.com
He saw also what had made the crash: a costly porcelain vase which had been standing on the window-sill lay on -the floor broken into about thirty pieces.
他也弄明白了是什么弄出啪啦聲來的：原來放在窗臺(tái)上的一個(gè)珍貴瓷瓶，在地板上碎成了三十片光景。