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- helium airship 氦气气船
- Helium and neon are inert gases. 氦和氖为惰性气体。
- Can you streamline this kind of airship? 你能把这种飞艇设计成流线型吗?
- The antimatter equivalent of helium. 反氦与氦等价的反物质
- The airship settled down in a field. 飞艇降落在一块地里。
- The airship was completely burnt in a few seconds. 飞艇在几秒钟里烧成灰烬。
- Helium was discovered on the sun. 氦是在太阳上发现的。
- Most big balloons are now filled with helium. 现在许多大气球中充的是氦气。
- A fountain of helium spurt out of the tube. 有一股氦的喷泉从小管中喷出。
- Helium is a gas used in balloons. 氦是一种用于气球的气体。
- An airship is shaped something like a cigar. 飞船的形状有点像雪茄。
- Exciting match of the universe airship competition! 紧张刺激的宇宙飞艇赛竞赛!
- Airship revolution on the horizon. 飞艇革命已见端倪。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。
- He saw an airship flying in the sky. 他看到飞船在空中飞翔。
- The element of helium was first found in the sun. 氦元素最初是在太阳里发现的。
- We watched the airship ascend into the sky. 我们目送着飞厗升上了天空。
- You can be a helium hea without even trying. 你真是个大傻瓜,甚至连试都不试一下。
- Hydrogen provided more lift than helium. 氢气的上升性能优于氦气。
- It gets the hydrogen and helium right. 根据结果表示,氢元素和氦元素都比较正常。