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comae

/ˈkoʊmi/ /ˈkoʊˌmeɪ/

Meanings
noun

彗发，彗云。

A cloud of dust surrounding the nucleus of a comet.

Examples :

"As the comet neared the sun, its comae, a fuzzy cloud of dust and gas, became increasingly visible through telescopes. "
随着彗星逐渐靠近太阳，它的彗发（彗云），也就是那团由尘埃和气体组成的模糊云雾，通过望远镜变得越来越清晰可见。
astronomy space science physics nature
noun

彗差，慧形象差。

A defect characterized by diffuse, pear-shaped images that in an ideal image would appear as points.

Examples :

"The cheap telescope produced images with noticeable comae, causing the stars near the edge of the field of view to appear as blurry, comet-like streaks instead of sharp points. "
那台廉价望远镜成像有明显的彗差，导致视野边缘的星星看起来像是模糊的彗星状条纹，而不是清晰的点。
medicine physics technical

Related Words

Illustration produced

produced verb

/pɹəˈdjuːst/ /pɹəˈdust/

生产，制造，产出

"The factory produced 1000 cars last week. "

这家工厂上周生产了1000辆汽车。

Illustration inflorescence

inflorescence noun

/ˌɪnflɔːˈɹɛsəns/

花序，花簇。

"The lilac bush in our backyard is covered in a beautiful purple inflorescence this spring. "

今年春天，我家后院的丁香灌木上开满了美丽的紫色花序。

Illustration terminating

terminating verb

/ˈtɜːrmɪneɪtɪŋ/ /ˌtɜːrmɪˈneɪtɪŋ/

终止，结束 (zhong zhi, jie shu)

"to terminate a surface by a line"

用一条线来终止一个表面. (Yòng yī tiáo xiàn lái zhōngzhǐ yī gè biǎomiàn.)

Illustration assemblage

assemblage noun

/əˈsɛmblɪdʒ/ /æˈsɛmblɪdʒ/

组装，集合。

"the assemblage of words and recordings"

词语和录音的集合

Illustration telescope

telescope noun

/ˈtɛlɪskəʊp/ /ˈtɛləˌskoʊp/

望远镜，千里镜

"Using the telescope, the student was able to observe the craters on the moon clearly. "

使用望远镜，那个学生清楚地观察到了月球上的环形山。

Illustration telescopes

telescopes noun

/ˈtɛləˌskoʊps/ /ˈtɛləskəps/

望远镜，千里镜

"Scientists use telescopes to study planets and stars far away in space. "

科学家使用望远镜来研究遥远太空中的行星和恒星。

Illustration increasingly

increasingly adverb

/ɪnˈkriːsɪŋli/ /ˌɪnˈkriːsɪŋli/

越来越，逐渐，日渐

"The dog's barking became increasingly louder throughout the night. "

整个晚上，狗叫声越来越大。

Illustration surrounding

surrounding verb

/səˈɹaʊndɪŋ/

包围，围绕。

"The large oak tree surrounding the picnic area provided welcome shade. "

围绕着野餐区的那棵大橡树提供了令人欢迎的阴凉。

Illustration indicated

indicated verb

/ˈɪndɪkeɪtɪd/

指出，表明，显示。

"The guard blew his whistle to indicate imminent departure."

警卫吹响哨子，表明即将出发。

Illustration pineapple

pineapple noun

/ˈpaɪnəpəl/

菠萝，凤梨

"The pineapple plant, with its spiky leaves, was a beautiful addition to the school's garden. "

这种菠萝树，长着带刺的叶子，为学校的花园增添了一道亮丽的风景。

Illustration noticeable

noticeable adjective

/ˈnəʊtɪsəbl̩/ /ˈnoʊtɪsəbl̩/

显眼的，引人注目的。

"The difference in her haircut was noticeable immediately. "

她发型的变化立刻就显眼了。

Illustration characterized

characterized verb

/ˈkæɹəktəɹaɪzd/

刻画，描绘，丑化。

"The teacher characterized the student as disruptive in class. "

老师把那个学生描绘成课堂上的捣乱分子。