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- Hydrogen cloud of a comet 彗星氢云
- The central portion of the head of a comet. 彗核彗星头部的中心部分
- Orbits of a comet may be open or close. 粗略来说,彗星可以开放或封闭式轨道绕日运行。
- The tail of a comet, a kite, an aircraft, a procession. 彗星、风筝、飞机、行列的尾部。
- (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed. (天文学)由颗粒组成的围绕在彗星的冰冷的核周围的发光的云;在彗星接近太阳的和被加热的时候形成。
- Moloch whose fate is a cloud of sexless hydrogen! 火神他的命运是一团无性的氢气!
- A cloud of locusts hit the farm. 大群蝗虫袭击了那个农场。
- A cloud of smoke was suspended in the air. 一股烟云飘悬在天空中。
- A cloud of smoke or dust that chokes or smothers. 沙尘弥漫呛人或令人窒息的烟雾或尘土
- This bond is a weak electrostatic force of attraction between the pro ton of a hydrogen atom and the electron cloud of a neighboring electro-negative atom. 氢键是氢原子核及其相邻的负电荷原子的电子云之间的一种微弱的静电吸引力。
- In 1994, Hubble captured the historical event of a comet smashing into Jupiter. 1994年,哈勃掌握千载难逢的机会,记录了彗星撞向木星的震撼过程。
- A cloud of smoke formed over the burning city. 燃烧的城市上空形成一片烟云。
- We have just observed the collision of a comet, Schumacher-Levi, with Jupiter. 我们已经观测到一个(被命名为)Schumacher-Levi的彗星与木星的碰撞。
- The cars set off in a cloud of dust. 那些汽车在滚滚尘埃中启动了。
- The orbits of these stars were perturbed by the passings of a comet. 这些行星轨道被扫过的彗星打乱了。
- A cloud of smoke floated over the battlefield. 战场上硝烟弥漫。
- The car raised a cloud of dust as it rushed past. 汽车开过时扬起一阵尘土。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- She spied a cloud of smoke in the distance. 她发现远处有一团烟。
- A cloud of smoke emitted from the chimney. 一股烟从烟囱里喷出来。