- 双语例句 更多例句
In nature, lighter-than-air volcanic lava traps bubbles of various sizes as the molten rock cools.
自然界中, 比空气还轻的各种火山灰在冷却过程中变为海底火山岩.
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Balloons are aerostats, which means that are lighter than air when inflated.
气球是轻飞行器,也就是说,充气后, 它们会比空气轻.
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Being both lighter than air and nonflammable, helium is used to inflate balloons and airships.
由于既比空气轻又不可燃, 氦用作充气球和飞艇.
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- 相关词组
- hot air chamber热风干燥室
- all air system全空气系统;
- polluted air污染空气;
- air volume control风量控制
- hot air box热空气箱
- air ventilator通风孔;通风管;空气通风器
- more than can be counted on one's fingers指不胜屈
- rather than而不是;而不
- short-range air defense system近距离防空系统
- greater than大于;
- air treatment空气清新剂;
- moisture air method湿气干燥法
- all outside air system全外部空气第系统;
- property of air mass气团性质
- warm air curtain热风幕
- come out of thin air无中生有;
- more than one can enumerate不可胜数;
- people of a lower social status than common people贱民
- air way bill空运提单;
- air billow气浪;
- 今日热词
- 热门搜索
- final draft 最后草案;最终的草稿
- mysql n.一种关系型数据库;数据库；资料库；数据库服务器
- queue n.队伍;等待的人群;队列（计算机用语）;v.排队;抢着做;
- china joy 国际数码互动娱乐产博览会；中国国际数码互动娱乐展览会
- geography n.地理（学）;地形，地势;布局;
- detective n.警探；私人侦探；刑侦;adj.侦探的；侦察的;
- headteacher n.中小学的校长;
- unrest n.动荡，不安定;骚乱;风潮;乱腾;
- excuse me int.对不起;恕;
- marcel v.烫发型;把…烫成波浪形n.波浪形卷发;[人名]马塞尔
- effort n.努力;吃力;有组织的行动;费力的事;
- icon n.图标;偶像;图符;圣像;崇拜对象
