冠词 Article 不定冠词 Indefinite article ( a / an )
Indefinite articles refer to a general thing instead of a particular one.
不定冠词指的是一般事物而不是特定事物。
“A” and “an” go with singular nouns.
“ A ” 和 “ an ” 与单数名词一起使用。
“An” precedes a noun beginning with a vowel (A, E, I, O ,U)
“ An ”在以元音开头的名词之前（A、E、I、O、U）
(an apple, an elephant, an ice cream, an orange, an umbrella)
Please give me a pen; any pen will do.
Please hand me a notebook; any notebook will do.
I saw a man riding a horse.
定冠词 Definite article (the)
Definite article refers to a particular thing, instead of a general thing. Hearers know exactly which one we're talking about.
定冠词指的是特定的事物，而不是一般的事物。 听众确切地知道我们在说哪一个。
“The” precedes singular, plural and uncountable nouns.
“The”在单数、复数和不可数名词之前。
There are many pens on the table. Please give me the red one.
There is a garden behind my house. The garden is very beautiful.
My mom gave me a postcard. The postcard she gave me is red.
