sunblind

1. The guide rail for the roll-up sunblind must not be greased.
   遮阳卷帘的导轨不得涂抹润滑脂。
2. Grease on the guide rail will soil the roll-up sunblind.
   导轨上的润滑脂会弄脏遮阳卷帘。

noun

1. a canopy made of canvas to shelter people or things from rain or sun

   Synonym:    awningsunshade