名词窗沿，窗台

1. 窗台：lace curtain 挑花窗帘 | windowsill 窗台 | air-conditioned 有空调设备的

2. 窗沿, 窗台：deflection linearity 扫描线性 | frequency convolution theorem 频率卷积定理 | windowsill 窗沿, 窗台

3. 窗台板：windowschedule窗规格表 | windowsill窗台板 | windowstay窗撑

4. 窗槛：high-rise 高层的 | windowsill 窗槛 | paratrooper 伞兵

1. 窗台；窗沿
A windowsill is a shelf along the bottom of a window, either inside or outside a building.

noun

1. the sill of a window
the horizontal member at the bottom of the window frame