| 单词 | helium |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔alpha particle〕A positively charged particle, indistinguishable from a helium atom nucleus and consisting of two protons and two neutrons.α粒子：与氦原子核难以区分的带正电的粒子，包括两个质子和两个中子美国传统〔antihelium〕The antimatter equivalent of helium.反氦：与氦等价的反物质美国传统〔blimp〕A nonrigid, buoyant airship. Modern blimps use helium instead of hydrogen to maintain buoyancy.软式小飞艇：软式浮飞艇。现代软式小飞艇，利用氦取代氢来保持浮力美国传统〔family〕Helium is one of the family of inert gases.氦气是惰性气体的一种。麦克米伦高阶〔fuse〕Atoms of hydrogen are fused to make helium.氢原子可熔合成氦。牛津高阶〔gas〕Helium is a gas at room temperature.氦在室温下是气态。外研社新世纪〔gas〕Helium is a very light gas.氦是一种非常轻的气体。柯林斯高阶〔hydrogen bomb〕An explosive weapon of enormous destructive power caused by the fusion of the nuclei of various hydrogen isotopes in the formation of helium nuclei.氢弹：一种爆炸性武器，具有极大的破坏力，这种破坏力由不同的氢同位素原子核构成氦原子核时所产生的核聚变引起美国传统〔inflatable〕A large helium or hot-air balloon constructed so as to resemble a figure or an object when inflated.大型气球：大型的填充氦气或热气的气球，充满气后模拟某个形象或物体美国传统〔inflate〕He inflated the balloons with helium.他给气球充了氦气。剑桥高阶〔monatomic〕Helium is a monatomic gas.氦是单原子气体美国传统〔noble〕Helium is a noble gas.氦是一种惰性气体。韦氏高阶〔property〕One of the properties of helium is its lightness.氦的属性之一是轻。韦氏高阶〔pump (someone or something) full of (something)〕They pumped the balloon full of helium.他们往气球里打足了氦气。韦氏高阶〔seep〕The helium will slowly seep out of the balloon.氦气会慢慢从气球中渗漏出去。麦克米伦高阶〔superfluid〕A fluid, such as a liquid form of helium, exhibiting a frictionless flow at temperatures close to absolute zero.超流体：一种在温度接近绝对零度时能不受摩擦力作用而流动的流体，例如氦元素的液体状态美国传统Helium is a noble gas. 氦气是钝气。译典通 |
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