window curtain

基本解释

He saw a shadowy outline on the window curtain.
他在窗帘上看到一个模糊的影像。
The window curtain can purify air with a lasting function, and the function does not fall off over time.
净化空气，功能持久，不随使用时间增加而功能减弱。
ip.com
Introduces the designing methods and circuit composition of remote control for window curtain, The operational principle are described in particular, then a practical circuit are given.
介绍了遥控窗帘的设计思想和电路组成，着重分析了电路的工作原理、并给出了详实的实用电路图。

As a woman lies down to sleep, a man emerges from behind a window curtain or furniture and cups the cloth over her mouth until she passes out.
FORBES: Special Report: The Horrific World of Online Sexual Violence Against Women - Forbes
The crowd was cheering wildly when the white curtain at the window of his apartment was parted, and Francis appeared, but fell into rapt silence when he began to speak.
NPR: Pope Wades Into Crowd Before 1st Window Appearance
She was standing now, looking behind the curtain, out the window.
NEWYORKER: The Dog