Suddenly the raft rocked.Sharp little puffs of hot air were scurrying across the smooth surface aft, churning the isolated burst of foam that signaled a squall.

• 突然，木筏子晃荡不定，阵阵热风迎面袭来，搅起一堆堆的泡沫，预示着一场暴风雨即将来临。