In `the black cat' the adjective `black' modifies the noun `cat'.
在`黑猫'这一词组中, 形容词`黑'修饰名词`猫'.
In French the adjective must agree with the noun in number and gender.
法语中形容词必须在数和性上与名词一致.
The function of an adjective is to describe or add to the meaning of a noun.
形容词的作用是描述或增加名词的意思。