1N-COUNT (通常用于建防洪或防爆墙的)沙袋,沙包 A sandbag is a cloth bag filled with sand. Sandbags are usually used to build walls for protection against floods or explosions. (通常用于建防洪或防爆墙的)沙袋,沙包
2VERB 用沙袋保护;用沙袋加固 To sandbag something means to protect or strengthen it using sandbags. 用沙袋保护;用沙袋加固
They sandbagged their homes to keep out floods. [VERB noun]