surround

详细解释:vt. 包围, 环绕, 围绕
n. 围绕物
【电】 周围

词型变化：

动词过去式:surrounded过去分词:surrounded现在分词:surrounding第三人称单数:surrounds

英语解释：

名词 surround:

the area in which something exists or lives同义词：environment, environs, surroundings