在禁酒令时期，走私者经常在夜间用快艇运输酒类。

During Prohibition, ___rumrunners often used speedboats to transport alcohol at night.

走私者经常使用改装过的快艇作为运酒船来躲避海岸警卫队。

Smugglers often use modified speedboats as ___rumrunners to evade the coast guard.