a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
同义词：peg??/??pin??/??thole??/??rowlock??/??oarlock
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。