请输入您要查询的英文单词：
单词
free balloon
释义
free balloon
noun
:
a balloon which can be made to ascend by the use of ballast and to descend by the release of gas but which cannot be guided in flight
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tideless
tidemark
tidemarks
tidemills
tidepools
tiderips
tides
tides over
tidesman
tidesmen
tidesurveyor
tidewaiter
tidewaiters
tidewater
tidewater glacier
tidewateres
tidewaters
tideway
tideways
tidied
tidied (up)
tidied away
tidied up
tidier
tidiers
英语词典包含469781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。
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更新时间：2026/5/2 9:08:32