a / the butterfly
可数名词，单数前需加 a 或 the。
A butterfly landed on her shoulder.
一只蝴蝶落在她的肩膀上。
蝴蝶
butterflies — plural of butterfly
蝶泳；蝶形胶布；蝴蝶贴；蝴蝶式拉伸；蝴蝶坐；花蝴蝶；见异思迁的人；蝴蝶曲线
An insect with four large, often brightly colored wings; it flies during the day.
鳞翅目的飞行昆虫,与蛾不同,白天活动,颜色通常更鲜艳。
A flying insect of the order Lepidoptera, distinguished from moths by their diurnal activity and generally brighter colouring.
昼行性昆虫,通常身体细长,触角呈棒状,翅膀宽大且色彩斑斓
diurnal insect typically having a slender body with knobbed antennae and broad colorful wings
用于伤口的外科胶带,剪成细条贴在伤口上以保持闭合。
A use of surgical tape, cut into thin strips and placed across an open wound to hold it closed.
一种游泳姿势,双臂同时向前伸出水面,双腿上下打水
a swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down
蝶泳。
The butterfly stroke.
几种形似蝴蝶的平面曲线。
Any of several plane curves that look like a butterfly; see Butterfly curve (transcendental) and Butterfly curve (algebraic).
四种同类型期权在三个执行价上的组合,收益和风险均有限。
A combination of four options of the same type at three strike prices giving limited profit and limited risk.
时间线中看似与主要分歧点无关的随机变化,由蝴蝶效应引起。
A random change in an aspect of the timeline seemingly unrelated to the primary point of divergence, resulting from the butterfly effect.
一种伸展动作,坐在地上,双腿折叠成蝴蝶翅膀的形状,轻轻上下摆动,像翅膀扇动。
A type of stretch in which one sits on the ground with the legs folded into a shape like that of a butterfly's wings, slightly rocking them up and down, resembling the wings fluttering.
频繁更换伴侣的人。
A person who changes partners frequently.
连接在缠绕绳上的安全链接或脱钩装置,以防止笼子过卷。
A safety link or detaching hook above the cage attached to the winding rope to prevent the cage from being overwound.
A colorful butterfly landed on the yellow flower in our garden.
一只色彩鲜艳的蝴蝶落在了我们花园里的黄色花朵上。
用法提示：butterfly 是名词，这里指昆虫蝴蝶。
The children watched the butterfly spread its wings and fly away.
孩子们看着蝴蝶展开翅膀飞走了。
用法提示：butterfly 为名词单数，作 watched 的宾语。
Butterflies usually come out in the morning when the sun is warm.
蝴蝶通常在阳光温暖的早晨出来活动。
用法提示：butterflies 是 butterfly 的复数形式，指一类昆虫。
可数名词，单数前需加 a 或 the。
A butterfly landed on her shoulder.
一只蝴蝶落在她的肩膀上。
泛指一类事物时用复数形式，前面不加冠词。
Butterflies are attracted to bright flowers.
蝴蝶会被鲜艳的花朵吸引。
作定语修饰另一个名词时用单数形式。
She wore a butterfly hairpin in her hair.
她头上戴着一只蝴蝶发夹。
用于比喻，形容轻盈、轻快或不停地变换。
He moved from one idea to the next like a butterfly.
他像蝴蝶一样从一个想法转到另一个想法。
grammar · medium
易错句子Three butterflys landed on the flowers.
正确表达Three butterflies landed on the flowers.
以辅音字母+y结尾的可数名词变复数时，要先把 y 变成 i，再加 -es：butterfly → butterflies。butterflys 不符合英语拼写规则。
grammar · medium
易错句子I saw butterfly on the flower.
正确表达I saw a butterfly on the flower.
butterfly 是可数名词，单数形式前必须加冠词或限定词；汉语名词没有冠词，所以容易漏掉。这里泛指“一只”，要用 a butterfly；若要泛指一类，也可用复数 Butterflies are…。
grammar · medium
易错句子Butterflies is easy to see in spring.
正确表达Butterflies are easy to see in spring.
butterflies 是复数主语，谓语动词必须用 are，这是主谓一致的要求；汉语没有主谓一致，容易误用单数 is。只有当主语是单数 a butterfly 时才用 is。
蝴蝶效应(微小变化引发巨大连锁反应)
One small decision can create a butterfly effect across the whole company.
一个小决定就可能在整个公司引发蝴蝶效应。
蝶泳
She swims the butterfly stroke faster than anyone else on the team.
她游蝶泳比队里其他任何人都快。
交际花;爱社交的人
My sister is a real social butterfly who knows everyone at the party.
我妹妹是个十足的交际花,派对上每个人都认识。
心里七上八下;紧张不安
I always get butterflies in my stomach before a job interview.
面试前我总是紧张得心里七上八下。
捕蝶网
The children ran across the meadow with a butterfly net.
孩子们拿着捕蝶网跑过草地。
Choose the next layer that will help you use butterflies with more confidence.
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
黑脉金斑蝶;帝王蝶
Monarch butterflies migrate thousands of miles every autumn.
帝王蝶每年秋天迁徙数千英里。