characteristics是一个英语单词，意思是特性、特征、特色。
它的形容词形式是characteristic，意思是特有的、独特的、表示特性的。
它的副词形式是characteristically，意思是表示特性的、有特色的。
它的名词形式是character，意思是性格、品质、特性。
characteristics还可以表示“特点”、“特征”、“特色”等意思，可以用来描述人、事物或事物的性质、特点等。
1. The characteristics of a person include their appearance, personality, and behavior.
2. The characteristics of a language include its grammar, vocabulary, and pronunciation.
3. The characteristics of a company include its products, services, and culture.
