ambulacra

/ˌæmbjʊˈleɪkrə/ /ˌæmbjəˈleɪkrə/

Meanings

noun

步带，管足带。

(of an echinoderm) A row of pores for the protrusion of appendages such as tube feet.

Examples :

"The sea star uses its ambulacra, visible as rows of tiny holes along its arms, to extend its tube feet and grip onto rocks. "

海星利用它的步带，也就是沿着它手臂排列的细小孔洞，伸出管足，从而抓住岩石。

Related Words

holes noun

/həʊlz/ /hoʊlz/

洞，孔。

"There’s a hole in my shoe. Her stocking has a hole in it."

我的鞋子上破了个洞。她的袜子上有个洞。

visible adjective

/ˈvɪzəb(ə)l/

可见的，能看到的。

"When the sun rises, the world becomes visible."

太阳升起时，整个世界都变得清晰可见。

along adverb

/əˈlɑŋ/ /əˈlɒŋ/ /əˈlɔŋ/

一起，一同。

"John played the piano and everyone sang along."

约翰弹着钢琴，大家都跟着一起唱了起来。

extend verb

/ɛkˈstɛnd/

延伸，扩展.

"The school's library hours were extended to 8 PM on weekdays. "

学校图书馆的工作日开放时间延长到了晚上八点。

protrusion noun

/proʊˈtruːʒən/ /prəˈtruːʒən/

突出，隆起。

"The protrusion of the child's teeth during the early years of school was a source of amusement for the other students. "

在小学早期，那孩子牙齿突出的样子让其他同学觉得很好笑。

appendages noun

/əˈpendʒɪz/

肢体，附肢。

"The insect had several appendages, including antennae and legs, that helped it move and sense its surroundings. "

这只昆虫有几条肢体，包括触角和腿，帮助它移动和感知周围环境。

feet noun

/fiːt/

脚，足。

"A spider has eight feet."

蜘蛛有八条腿，每条腿的末端都长着一只脚。

pores noun

/pɔɹz/

毛孔，气孔

"Sweat comes out of the pores on your skin to help you cool down. "

汗水从你皮肤上的毛孔里流出来，帮助你降温。

rocks noun

/ɹɒks/

鹏，巨鹏

"The ancient legends spoke of the powerful rocks, a mythical bird of immense size. "

远古的传说中记载着威力无穷的鹏，一种体型巨大的神鸟。

tube noun

/tjuːb/

管子，筒。

"The toothpaste came in a bright red plastic tube. "

牙膏装在一个鲜红色的塑料管里.

such noun

/sʌt͡ʃ/

像...一样的事物, 类似的东西

"My sister's new job offers a similar salary; it's a good such for someone with her experience. "

我姐姐的新工作薪水也差不多；对于像她这样有经验的人来说，这（样的工作）很不错。

echinoderm noun

/ɪˈkaɪnəˌdɜːrm/ /iˈkaɪnəˌdɜːrm/

棘皮动物

"While visiting the aquarium, my daughter learned that a starfish is an echinoderm with five arms and a spiny surface. "

参观水族馆时，我女儿了解到海星是一种棘皮动物，有五个腕足，表面多刺。