1
fledge sth
及物用法，宾语通常是幼鸟，指喂养照料到能飞。
The sparrows fledged three broods this summer.
这些麻雀今年夏天喂养大了三窝雏鸟。
长出羽毛
先理解核心含义，再看它在真实句子里的用法。
长出羽毛
(of a young bird) grow feathers until ready to fly
The sparrows fledged three broods this summer.
这些麻雀今年夏天喂养大了三窝雏鸟。
To care for a young bird until it is capable of flight.
To grow, cover or be covered with feathers.
To decorate with feathers.
To complete the last moult and become a winged adult insect.
fledge
Base
原形
fledges
3rd person
第三人称单数
fledging
-ing
现在分词
fledged
Past
过去式
fledged
Past participle
过去分词
The mother bird fledges her chicks in late spring.
母鸟在暮春时节喂养雏鸟。
The young eagle fledged after six weeks.
幼鹰六周后长齐了羽毛。
The chicks have not fledged yet.
雏鸟还没有长齐羽毛。
作及物动词时表示喂养并照顾雏鸟直到能飞；作不及物动词时表示幼鸟长羽毛、羽翼丰满。
The young owls fledged just before the first snow.
幼枭在第一场雪前长齐了羽毛。
Most songbirds fledge within two weeks of hatching.
大多数鸣禽在孵化后两周内就会长出羽毛、学会飞行。
The chicks fledged successfully and left the nest for good.
雏鸟成功长齐羽毛，永远离开了巢穴。
及物用法，宾语通常是幼鸟，指喂养照料到能飞。
The sparrows fledged three broods this summer.
这些麻雀今年夏天喂养大了三窝雏鸟。
不及物用法，主语是幼鸟，指长出羽毛。
The chicks fledge within three weeks of hatching.
雏鸟在孵化后三周内长出羽毛。
作及物动词，表示用羽毛装饰或给箭装上箭羽。
He fledged the arrow with goose feathers.
他用鹅毛给箭装上箭羽。
Not this
The young birds are fledge.
Use this
The young birds are fledged.
fledge 是动词，表示“长羽毛”或“喂养幼鸟”；描述小鸟已长出羽毛、能够飞行时的状态，应使用过去分词 fledged 作形容词，不能用动词原形 fledge 作表语。
Not this
The mother bird is feeding her fledges.
Use this
The mother bird is feeding her chicks.
fledge 是动词，fledges 是它的第三人称单数动词形式，不能当作名词复数使用；表示“幼鸟”要用名词 chicks。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
喂养雏鸟至能飞
The robin fledged its chicks in June.
知更鸟在六月把雏鸟喂养到能飞。
刚长羽毛的
A newly fledged bird tried its first flight.
一只刚长羽毛的小鸟尝试了它的第一次飞行。
羽毛丰满的
The owlets were fully fledged by autumn.
小猫头鹰到秋天已经羽毛丰满。
长满羽毛后离巢
The young swallows fledge from the nest in July.
小燕子在七月羽翼丰满后离巢。
幼鸟长羽期
During the fledging period, the parents bring food constantly.
在幼鸟长羽期间，亲鸟会不断带来食物。
完全成熟的；正式合格的；羽翼丰满的
After three years of training, she became a fully fledged doctor.
经过三年的培训，她成为了一名正式合格的医生。
Use fledge naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
看到 fledge 就想到 fledgling（幼鸟）：幼鸟长羽毛、被喂养到能飞的过程，就是 fledge。
语域：neutral 常见场景：ornithology、bird rehabilitation、aviculture 多用于鸟类学、野生动物救助或人工饲养领域，指喂养并照顾幼鸟直至其能够飞行的过程。作为专业术语，在日常口语中不常用，多见于书面描述或科普内容。
作及物动词时带宾语；作不及物动词时不带宾语，主语常为幼鸟。
Dictionary facts from ECDICT, WIKTIONARY.