1
a blackbird
blackbird 是可数名词；单数形式前需要加 a 或 the 等限定词。
A blackbird was singing outside my window.
一只乌鸫在我的窗外唱歌。
乌鸫
blackbirds — plural of blackbird
先理解核心含义，再看它在真实句子里的用法。
乌鸫
common black European thrush
A blackbird was singing outside my window.
一只乌鸫在我的窗外唱歌。
A common true thrush, Turdus merula, found in woods and gardens over much of Eurasia, and introduced elsewhere.
A variety of New World birds of the family Icteridae (26 species of icterid bird).
In the garden, a blackbird sang loudly from the top of the apple tree.
花园里，一只乌鸫在苹果树顶上大声歌唱。
We saw several blackbirds hopping across the lawn looking for worms.
我们看见几只乌鸫在草坪上蹦跳着寻找虫子。
The blackbird perched on the fence and then flew away.
那只乌鸫停在篱笆上，然后飞走了。
blackbird 是可数名词；单数形式前需要加 a 或 the 等限定词。
A blackbird was singing outside my window.
一只乌鸫在我的窗外唱歌。
这里用 the + 单数名词泛指整个物种，而不是特指某一只。
The blackbird is one of the best-known birds in Britain.
乌鸫是英国最知名的鸟类之一。
复数形式 blackbirds 表示多只乌鸫。
Several blackbirds were looking for food on the lawn.
几只乌鸫在草坪上找食。
Not this
I saw blackbird in the garden.
Use this
I saw a blackbird in the garden.
英语单数可数名词前通常要有冠词或其他限定词；汉语没有这个规则，所以容易漏掉 a。加上 a 后才符合英语语法。
Not this
There are two blackbird on the roof.
Use this
There are two blackbirds on the roof.
blackbird 是可数名词，在 two 后面要用复数形式 blackbirds；汉语名词没有复数变化，所以不能照汉语习惯省略 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
乌鸫
The common blackbird is a familiar garden bird in Europe.
乌鸫在欧洲是一种常见的庭院鸟。
雄性乌鸫
The male blackbird is easily recognized by its bright yellow bill.
雄性乌鸫通过其亮黄色的喙很容易辨认。
乌鸫巢
A blackbird nest usually contains four or five blue-green eggs.
乌鸫巢通常含有四五个蓝绿色的蛋。
乌鸫鸣声
The blackbird song often begins at dawn.
乌鸫的鸣声常常在黎明时响起。
幼乌鸫
A young blackbird was sitting on the fence.
一只幼乌鸫停在围栏上。
乌鸫种群
The blackbird population has increased in urban areas.
城市地区的乌鸫种群数量有所增加。
黑鸟在深夜歌唱。
The blackbird sang from the treetop.
黑鸟在树梢上歌唱。
黑鸟飞翔，黑鸟飞翔，飞进黑暗长夜的光芒中。
A blackbird landed on the windowsill.
一只黑鸟落在窗台上。
Use blackbirds naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：一身乌黑羽毛的鸫鸟在草地上觅食——black（黑）+ bird（鸟），记住它是“黑色的鸟”，即乌鸫。
语域：neutral 常见场景：鸟类观察、日常交谈、一般书面描述 blackbird 是一个日常中性词，通常指乌鸫这种黑色欧洲鸫，在口语和一般书面语中都比较常见，没有明显的正式或非正式限制。
指欧洲常见的黑鸫（乌鸫），不是泛指任何黑色鸟。
Dictionary facts from ECDICT, WIKTIONARY.