To observe or state an unlikeness between.

识别；区别。

To mark (a person or thing) as unlike another.

区分(人或物)。

To modify in structure or function.

【生物】分化。

To obtain the differential or the derivative of.

【数】求微分。

To acquire a distinctive and separate character.

有特色；产生区别。

To note a distinction.

区分。