coma background

coma

/ˈkəʊmə/ /ˈkoʊmə/

Illustration coma - Image 1

Illustration coma - Image 2

noun

昏迷, 不省人事.

A state of unconsciousness from which one may not wake up, usually induced by some form of trauma.

Examples :

"After the car accident, Maria was in a coma for two weeks. "

车祸之后，玛丽亚昏迷了两个星期，一直不省人事。

medicine disease body condition physiology

Illustration coma - Image 1

Illustration coma - Image 2

noun

彗发

A cloud of dust surrounding the nucleus of a comet.

Examples :

"The comet's coma was visible through the telescope, a hazy cloud of dust around its icy nucleus. "

通过望远镜可以看到彗星的彗发，那是环绕着它冰冷内核的一团朦胧的尘埃云。

astronomy space

Illustration coma - Image 1

noun

昏迷，不省人事

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

Examples :

"The old telescope suffered from severe coma, making stars near the edge of the field of view appear as blurry, comet-like streaks instead of sharp points. "

这架旧望远镜有严重的彗差，导致视野边缘的星星看起来像模糊的彗星状条纹，而不是清晰的点，这使得观测效果大打折扣。(Zhè jià jiù wàngyuǎnjìng yǒu yánzhòng de huìchā, dǎozhì shìyě biānyuán de xīngxīng kàn qǐlái xiàng móhú de huìxīng zhuàng tiáowén, ér bùshì qīngxī de diǎn, zhè shǐdé guān測 xiào gū dàdǎ zhékòu.)

medicine physiology disease anatomy body science

Illustration coma - Image 1

noun

簇, 丛, 束

A tuft or bunch, such as the assemblage of branches forming the head of a tree, a cluster of bracts when empty and terminating the inflorescence of a plant, or a tuft of long hairs on certain seeds.

Examples :

"The milkweed seed floated on the wind, carried by its fluffy coma. "

这种马利筋种子靠着它蓬松的毛束，随风飘荡。