1
a tadpole
tadpole 是可数名词，单数形式前通常加 a/an。
A tadpole grows into a frog.
蝌蚪长成青蛙。
蝌蚪
tadpoles — plural of tadpole
先理解核心含义，再看它在真实句子里的用法。
蝌蚪
a larval frog or toad
A tadpole grows into a frog.
蝌蚪长成青蛙。
生活在水中的蟾蜍或青蛙幼体,有尾无腿,像鱼一样用鳃呼吸
A young toad or frog in its larval stage of development that lives in water, has a tail and no legs, and, like a fish, breathes through gills.
蛙或蟾蜍的幼体
a larval frog or toad
两栖动物的水生幼体
The aquatic larva of any amphibian.
前两轮后一轮的货运自行车
A type of cargo bike that has two wheels in front and one in back.
The children watched a tadpole swim across the shallow pond.
孩子们看着一只蝌蚪游过浅水池。
Tadpoles usually eat plants and small insects in the water.
蝌蚪通常在水中吃植物和小昆虫。
We kept a tadpole in a jar until it grew legs.
我们把一只蝌蚪养在罐子里，直到它长出腿。
tadpole 是可数名词，单数形式前通常加 a/an。
A tadpole grows into a frog.
蝌蚪长成青蛙。
表示“变成”常用 turn into，也可用 become。
Tadpoles turn into frogs.
蝌蚪变成青蛙。
there are 引出复数名词，表示“存在、有”。
There are many tadpoles in the pond.
池塘里有许多蝌蚪。
Not this
There are many tadpole in the pond.
Use this
There are many tadpoles in the pond.
tadpole 是可数名词，复数形式是 tadpoles；中文名词没有复数变化，所以容易漏掉 -s。many 后必须用名词复数，因此要写 tadpoles。
Not this
A tadpole becomes into a frog.
Use this
A tadpole becomes a frog.
become 本身已表示「变成」，直接接结果，不需要加介词 into；这是受中文「变成」词形影响而误加 into。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
蝌蚪期
The tadpole stage lasts about six weeks.
蝌蚪期大约持续六周。
蝌蚪变态发育
Tadpole metamorphosis is controlled by thyroid hormones.
蝌蚪的变态发育受甲状腺激素控制。
捉蝌蚪
The children used a net to catch tadpoles in the pond.
孩子们用网在池塘里捉蝌蚪。
以蝌蚪为食
Dragonfly larvae feed on tadpoles.
蜻蜓幼虫以蝌蚪为食。
饲养蝌蚪
We raised tadpoles and watched them grow legs.
我们饲养了蝌蚪，看着它们长出腿。
Use tadpoles naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：tad（小不点）+ pole（杆子），蝌蚪就是顶着大脑袋、拖着细长杆子尾巴的小家伙。
语域：neutral 常见场景：儿童科普读物、生物课上、观察池塘生物时 该词是‘蝌蚪’的标准通用说法，口语和书面语中都很常见，没有明显的语域限制，正式或非正式场合均可使用。
这些词都与 tadpole 末尾的 pole 一样读 /oʊl/，押韵；whole 和 hole 同音。注意 pale /peɪl/ 拼写相似但发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.