Ancient city walls were built to surround the settlement, providing both defense and a clear boundary for its inhabitants.
古代城墙是为了围绕定居点而建，既提供防御，又为居民划定清晰的边界。
Civil engineer Marcus Webb notes that many transit stations were built with sewer and water systems sized only for low-density surrounding neighborhoods, meaning mixed-density rezoning would require costly utility upgrades that could delay or offset the housing benefits Roy describes.
From a Cross-Text Connections question · Craft and Structure
A climatologist argues that restoring oyster reefs along a stretch of coastline has measurably improved water clarity by filtering suspended sediment from the surrounding water.
From a Command of Evidence: Textual question · Information and Ideas
An archaeologist proposes that a newly excavated highland village relied on terraced farming to grow crops on its steep surrounding slopes.
From a Command of Evidence: Textual question · Information and Ideas
Which choice best defines “surround”?
C — To be all around something. “surround” means to be all around something.
Which word means “to be all around something”?
D — surround. “surround” means to be all around something.
surround — to be all around something. In Chinese: 围绕，包围.
surround is pronounced /səˈraʊnd/.
Ancient city walls were built to surround the settlement, providing both defense and a clear boundary for its inhabitants. (古代城墙是为了围绕定居点而建，既提供防御，又为居民划定清晰的边界。)
enclose, encircle, encompass — all close in meaning to surround (to be all around something).
expose, release — each the opposite of surround (to be all around something).
Yes. surround is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.