单词	gas-tight
释义	gas-tight /ˈɡasˌtīt / adjective Sealed so as to prevent the leakage of gas.To preserve the pristine lunar dust and fragments, some samples were placed into gas-tight cans sealed with a knife-edge-to-metal seal.... The first crews in gas-tight suits entered the station at 12.26 pm and the first ‘walking wounded’ emerged about six minutes later. The epicotyl was surrounded with a gas-tight soft rubber fitting to a drilled cap, which was placed onto the tube.
随便看	secret agent secretagogue secretaire secretarial secretariat secretary secretary bird secretary general Secretary of State secretaryship secret ballot secrete secretin Secret Intelligence Service ignition key ignition point ignition switch ignitron ignobility ignoble ignobly ignominious ignominiously ignominiousness ignominy

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。