n.暗礁；矿脉
n.缩帆部
v.缩帆；卷起
The ship was wrecked on a reef. 这船触礁失事了。
Our ship was able to haul up just before it hit the submerged reef. 我们的船就在要撞上暗礁的时候停住了。
The captain ordered to reef the sails for docking. 船长下令收帆以靠港。
