英语释义

1. the fourth largest satellite of Saturn with a diameter of approximately 700 miles (1120 km)
Three other new Saturnian moons have been identified in recent years by spacecraft and ground-based telescopes. Two of them are especially intriguing because they lie in essentially the same orbit about 94,000 miles from the planet. The third is a small, asteroid-size satellite moving along in the same orbit much farther ahead of the larger moon, Dione, 234,000 miles from Saturn.
— John Noble Wilford, New York Times, 29 Oct. 1980

2. chemical compound containing two carbonyl groups —in names of diketones or di-oxo compounds that are not true diketones
butanedione2,6-piperidine-dione

片语

3 dione丁二酮

Dione e帝傲霓

dione particularoptiones糖尿病

Dione Anderson标签

Dione Hume保时捷与丈夫狄昂

Dione Jackson标签

Batiste Dione名称

pyrrolidine dione翻译

-dione[天] 土卫四（天文学专用词汇）

英汉例句

• Dione was one of four Saturnian moons discovered in 1684 by Giovanni Domenico Cassini, who the spacecraft is named after.

  1684年，乔瓦尼·多米尼克·卡西尼(GiovanniDomenicoCassini)发现了土星的四颗卫星，土卫四正是其中之一，卡西尼号探测器就是以他的名字命名的。

• The double-moon effect is aided by the matching reflectivity of Dione (top), which is closer to the camera, and Rhea, which is farther away but slightly larger than Dione.

  这种双卫效果受益于离摄像机较近的狄俄涅（土卫四）和离摄像机较远但是比前者稍大些的瑞亚（土卫五）一致的反射率。

• The strategic alignment of a large, faint crater at the 「bottom」 edge of Dione completes the astronomical illusion.

  狄俄涅「下部」边缘上巨大而模糊的火山口关键性的校直完成了这个天文学假象。

• This close up of Dione reveals its cratered and fractured icy surface.

  这张土卫四（Dione）的近距离特写照片展示了其坑坑洼洼支离破碎的冰冷表面。

• As it zipped past Saturn「s moon Dione this past weekend, NASA」s Cassini spacecraft got its best look yet at the northern pole of this small, cratered moon.

  环绕土星运行的一颗卫星上快速飞过，并且对这颗坑坑洼洼的小行星的北部地区进行了目前为止最为清晰的拍照。

• In the foreground, a sharp image of Dione reveals the moon「s 「wispy」 terrain-actually a system of braided canyons with bright walls.

  前景中的土韦四，清晰图像，显示了这个卫星「稀疏」的地形，其实这是带着明亮屏障的纵横交错的峡谷系统。

• Saturn」s famous rings are visible along with two of its moons, Rhea and Dione which appear as faint dots in the right and lower right part of the picture.

  从图中我们可以看到有名的土星光环和右下方的两个暗点，即瑞亚和狄俄涅卫星。