A seacock is a valve on the hull of a boat or a ship, permitting water to flow into the boat, such as for cooling an engine or for a salt water faucet; or out of the boat, such as for a sink drain or a toilet.
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。