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- Lighter than air, a song or so it seems. 看似一首歌,或轻甚空气。
- Lighter than air,a song or so it seems. 看似一首歌，或轻甚空气。
- Hydrogen is much lighter than air. 氢比空气轻得多。
- Hydrogen is a useful gas for balloons. It is lighter than air. 氢气对于气球来说是一种有用的气体，它比空气轻多了。
- An airship depends on a gas that is lighter than air. 而飞艇依靠的是一种比空气轻的气体。
- When you send it flying up there, all at once you're lighter than air. 当你的风筝翱翔在天空,你立刻觉得自己比空气更轻。
- 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。
- He qualified in London as a teacher of English overseas. 他在伦敦取得了海外英语教师的资格。
- Helium is also lighter than air,but it costs a lot of money. So balloons were (and are) usually filled with hydrogen. 氦也是一种比空气轻的气体，但是它太昂贵，因此气球通常都是装满氢气的。
- Helium is also lighter than air, but it costs a lot of money. So balloons were (and are) usually filled with hydrogen. 氦也是一种比空气轻的气体，但是它太昂贵，因此气球通常都是装满氢气的。
- Qualified in the time trials to start on the pole. 从起跑线内侧开始来测试时间
- Carbon monoxide (CO) is a colorless, odorless, poisonous gas, slightly lighter than air, that is produced by the incomplete burning of carbon in fuels. The main sources are internal combustion engines, mostly in motor vehicles. 一氧化碳（co）是一种无色无味的有毒气体，比空气稍轻，这是由燃料中的炭不能完全燃烧生成的，主要来源是内燃机，大多产生于机动车辆。
- An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms. 无人驾驶自由气球，是指无动力驱动、无人操纵、轻于空气、总质量大于4千克自由漂移的充气物体。
- How to Get Qualified in a limited time? 怎样在有限的时间达到考试要求?
- I am very qualified in this area. 在这个领域我是非常有资格的。
- Scarlet is much lighter than crimson. 绯红色比深红色亮丽得多。
- Lighter than Air Submarine Simulator 轻于空气的潜艇模拟器
- He reviewed his policy in light of recent developments. 他根据最近的事态发展重新考虑自己的方针。
- Our school is the one whose P.E and hygiene is qualified in Wuhan. 我校是武汉市体育卫生工作条例合格学校。
- The American girl qualified in China as a teacher of English. 那位美国女子取得了在中国教英语的资格。
