1
a/an + singular countable noun
falcon 是可数名词，首次提及时用 a/an。
A falcon swooped down from the sky.
一只隼从空中俯冲下来。
隼；猎鹰
先理解核心含义，再看它在真实句子里的用法。
隼；猎鹰
a diurnal bird of prey with long pointed powerful wings, adapted for swift flight
A falcon swooped down from the sky.
一只隼从空中俯冲下来。
Any bird of the genus Falco, all of which are birds of prey.
白天活动的猛禽,具有适合快速飞行的长而尖的强壮翅膀
diurnal birds of prey having long pointed powerful wings adapted for swift flight
Any bird of prey of the subfamilies Falconinae and Herpetotherinae.
A female such bird, a male being a tiercel.
The falcon swooped down from the sky to catch its prey.
那只隼从高空俯冲下来捕捉猎物。
We watched the falcons flying high above the hills.
我们看到那些猎鹰在丘陵上空高飞。
A trained falcon can spot a small animal from far away.
训练有素的猎鹰能从很远的地方发现小动物。
falcon 是可数名词，首次提及时用 a/an。
A falcon swooped down from the sky.
一只隼从空中俯冲下来。
用复数形式表示这一类鸟时，不加冠词。
Falcons are fast and powerful hunters.
隼是快速而强大的猎手。
Not this
I saw two falcon in the sky.
Use this
I saw two falcons in the sky.
falcon 是可数名词，复数形式为 falcons。汉语名词没有复数变化，学习者容易漏掉 -s；这里 two 后必须用复数 falcons。
Not this
Falcon is a bird of prey.
Use this
A falcon is a bird of prey.
falcon 是单数可数名词，不能单独使用，需要加冠词 a 或 the。泛指某一类鸟时应说 a falcon。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
游隼
The peregrine falcon is the fastest bird in the world.
游隼是世界上最快的鸟。
受过训练的猎鹰
The hunter released his trained falcon to catch game.
猎人放出他受过训练的猎鹰去捕猎。
猎鹰的利爪
The falcon's talons are sharp enough to kill prey.
猎鹰的利爪锋利得足以杀死猎物。
猎鹰雏鸟
The falcon chick is covered in soft down.
猎鹰雏鸟身上长满了柔软的绒毛。
一对猎鹰
A pair of falcons nested on the cliff.
一对猎鹰在悬崖上筑巢。
猎鹰听不见驯鹰人的呼唤。（出自爱尔兰诗人叶芝的《第二次降临》，这一意象常被用来比喻失控、失联或秩序的崩溃。）
The falcon circled high above the valley, scanning the ground for prey.
猎鹰在山谷上空高高盘旋，搜寻着地面的猎物。
Use falcon naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 falcon 发音近似“fall肯”，联想隼从高空俯冲(fall)捕猎，又快又准。
语域：neutral 常见场景：自然科普、观鸟、日常描述 该词是常见的普通名词，通常用于指代隼、猎鹰等猛禽。在观鸟、自然科普和日常对话中都比较自然，正式文本中同样常用，没有明显的口语或书面语偏向。
没有常见词与 falcon /ˈfælkən/ 完全押韵；fall、balk、talk、walk 的 al 拼写看似相同但读 /ɔː/，talc 和 balcony 虽含 /ælk/，也不构成完整韵脚。
Dictionary facts from ECDICT, WIKTIONARY.