n a large number or amount
n a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
n (often followed by `of') a large number or amount or extent
v transport on a raft
v travel by raft in water
v make into a raft
n. 木筏( raft的名词复数 ); 橡皮艇; 充气船; 大量