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spermatheca

/ˌspɜːməˈθiːkə/

Meanings
noun

受精囊，纳精囊。

A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova.

Examples :

"The queen bee uses her spermatheca to store sperm collected from multiple drones, allowing her to fertilize eggs throughout her life. "
蜂后利用她的纳精囊来储存从多只雄蜂那里收集的精子，这使得她一生都可以为卵子受精。
biology organism anatomy organ insect animal sex

Related Words

Illustration collected

collected verb

/kəˈlɛktɪd/

收集，聚集。

"Suzanne collected all the papers she had laid out."

苏珊把她摊开的所有文件都收集起来了。

Illustration female

female noun

/ˈfiː.meɪl/

女性，女人

"My sister is a female student in her senior year of high school. "

我妹妹是高中三年级的女学生。

Illustration invertebrates

invertebrates noun

/ɪnˈvɜːrtɪbrəts/ /ɪnˈvɜːrtɪbreɪts/

无脊椎动物，无脊椎 প্রাণী。

"Many students learn about invertebrates, like insects and worms, in biology class because they are animals without a backbone. "

很多学生在生物课上学习无脊椎动物，比如昆虫和蠕虫，因为它们是没有脊椎骨的动物。

Illustration throughout

throughout adverb

/θɹuˈʌʊt/ [θɹuːˈʷaʊt]

自始至终，遍及。

"The teacher explained the lesson thoroughly throughout the entire class period. "

老师在整个课堂时间里自始至终透彻地讲解了课程。

Illustration fertilize

fertilize verb

/ˈfɜː(ɹ)tɪlaɪz/

施肥， 增肥

"The gardener fertilized the flowerbeds to help the roses grow bigger and stronger. "

园丁给花圃施了肥， чтобы розовые цветы长得更大更壮。

Illustration multiple

multiple noun

/ˈmʌltɪpl̩/

倍数

"14, 21 and 70 are multiples of 7"

14、21和70都是7的倍数。

Illustration within

within adjective

/wɪˈθɪn/ /wɪðˈɪn/

本文的，此范围内的

"the within appeal"

本文的上诉

Illustration reproductive

reproductive noun

/ˌriːprəˈdʌktɪv/ /ˌrɛprəˈdʌktɪv/

繁殖者，生殖者

"The scientist studied the reproductive cycle of the fruit flies in her lab. "

那位科学家在她的实验室里研究果蝇的繁殖者的生命周期。

Illustration stores

stores noun

/stɔːz/ /stɔɹz/

仓库， 储藏室

"This building used to be a store for old tires."

这栋楼以前是个存放旧轮胎的仓库。

Illustration drones

drones noun

/dɹəʊnz/ /dɹoʊnz/

雄蜂，雄蚁，雄 wasp

"The hive's drones are important for ensuring the queen can lay eggs. "

蜂巢里的雄蜂对确保蜂后能够产卵至关重要。

Illustration allowing

allowing verb

/əˈlaʊɪŋ/

允许, 准许

"to allow a servant his liberty;  to allow a free passage;  to allow one day for rest"

允许仆人获得自由；允许自由通行；允许有一天休息。

Illustration insects

insects noun

/ˈɪnsɛkts/

昆虫，虫子

"Our shed has several insect infestions, including ants, yellowjackets, and wasps."

我们的棚屋里有好几种昆虫侵扰，包括蚂蚁、黄蜂和胡蜂。