harpoon log

英 美
  • 鱼镖式计程仪
  • harpoon n.(捕鲸的)鱼叉v.用鱼叉叉
  • log n.原木;圆木;(航海、飞行)日志;(船)计程仪v.伐木;记入(日志)
Noun:
  1. a cylindrical log with a device that registers distance