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speculum

/ˈspɛkjələm/

Meanings
noun

窥镜，阴道镜。

A medical instrument used during an examination to dilate an orifice.

Examples :

"The doctor used a speculum to examine the patient's throat. "
医生用窥镜检查了病人的喉咙。
medicine device body anatomy organ utensil
noun

翼镜，镜斑

A bright, lustrous patch of colour found on the wings of ducks and some other birds, usually situated on the distal portions of the secondary quills, and much more brilliant in the adult male than in the female.

Examples :

"While birdwatching at the pond, we noticed the male mallard's vibrant, iridescent speculum flashing in the sunlight as he flapped his wings. "
在池塘边观鸟时，我们注意到雄性绿头鸭拍打翅膀时，翅膀上那鲜艳、闪着彩虹光泽的翼镜在阳光下熠熠生辉。
animal bird color nature biology appearance anatomy

Related Words

Illustration examination

examination noun

/ɪɡˌzæmɪˈneɪʃən/

检查, 审查。

"The examination of the patient's symptoms took several hours. "

对病人症状的检查持续了几个小时。

Illustration birdwatching

birdwatching noun

/ˈbɜː(ɹ)dˌwɒtʃ.ɪŋ/

观鸟，赏鸟

"My grandma enjoys birdwatching in her backyard, where she can see many different types of birds. "

我奶奶喜欢在她家后院观鸟，在那里她能看到很多不同种类的鸟。

Illustration watchtower

watchtower noun

/ˈwɒtʃtaʊər/ /ˈwɑːtʃtaʊər/

瞭望塔，岗楼

"The prison guard stood in the watchtower, scanning the yard for any signs of trouble. "

狱警站在岗楼里，扫视着院子，留意着任何骚乱的迹象。

Illustration astronomer

astronomer noun

/ə.ˈstɹɑ.nə.mɚ/ /ə.ˈstɹɒ.nə.mə/ /ə.ˈstɹɒ.nə.mɚ/

天文學家，觀星者。

"The astronomer presented a fascinating talk about distant galaxies in our school's science club. "

那位天文學家在我們學校的科學俱樂部做了一個關於遙遠星系的精彩講座。

Illustration instrument

instrument noun

/ˈɪnstɹəmənt/

乐器， 器材。

"The violinist was a master of her instrument."

这位小提琴家是她的乐器大师。

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

Illustration carefully

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

小心地，谨慎地，细致地

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

他小心地听着母亲的担忧，为她的失望感到难过。(Tā xiǎoxīn de tīngzhe mǔqīn de dānyōu, wèi tā de shīwàng gǎndào nánguò.)

Illustration iridescent

iridescent adjective

/ɪ.ɹɪˈdɛs.ənt/

彩虹色， 虹彩的

"The hummingbird's feathers were iridescent, shimmering with greens, blues, and purples as it hovered near the feeder. "

蜂鸟的羽毛呈现出虹彩般的光泽，当它在喂食器附近盘旋时，闪耀着绿色、蓝色和紫色的光芒。

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 secondary

secondary noun

/ˈsɛkənd(ə)ɹɪ/ /ˈsɛkənˌdɛɹi/

次级飞羽, 尺羽

"The bird's secondary feathers are essential for its flight. "

这只鸟的尺羽对于它的飞行至关重要。

Illustration brilliant

brilliant noun

/ˈbɹɪljənt/

明亮型钻石， 璀璨宝石

"The jeweler carefully examined the brilliant, admiring its dazzling sparkle. "

珠宝匠仔细检查着那颗明亮型钻石，欣赏它那令人眼花缭乱的光芒。

Illustration abandoned

abandoned verb

/əˈbæn.dn̩d/

放弃， 屈服

"After arguing with her parents, Sarah abandoned her plans for the weekend. "

和父母争吵后，萨拉放弃了周末的计划。