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
随便看
thee
theed
theeing
theek
theelin
theelins
theelol
theelols
thees
theetsee
theezan tea
theft
theft insurance
theftboots
theftbote
theftbotes
theftproof
thefts
theftuous
theftuously
thegither
thegn
thegndom
thegnhood
thegnland
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更新时间：2024/12/24 8:36:22