sandbag

1. N-COUNT A sandbag is a cloth bag filled with sand. Sandbags are usually used to build walls for protection against floods or explosions. 沙袋

2. V-T To sandbag something means to protect or strengthen it using sandbags. 給···堆沙袋

They sandbagged their homes to keep out floods. 他們給房屋堆沙袋以阻擋洪水。