英语词汇petcock怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	petcock
释义	petcock /ˈpetkɒk/ noun a small valve positioned in the pipe of a steam boiler or cylinder of a steam engine for drainage or testing （蒸汽锅炉管子上的）小龙头, 小旋阀; （蒸汽机气缸中的）泄气阀。
随便看	agave AGC age -age aged age gap age group age-hardened age hardening ageing ageism ageist ageless agelessness age-long a Gemini agency agenda agent agent-general agentive agent noun Agent Orange agent provocateur Age of Aquarius

英汉双解词典包含131075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。