棕色的遮阳伞为顾客遮挡阳光。

Brown ___umbrellas provide shade for customers.

沙滩上的游客都撑着遮阳伞。

Tourists on the beach all have their ___umbrellas open for shade.

这个慈善机构是一个保护儿童权益的大伞。

This charity serves as an ___umbrella for protecting children's rights.