生態系

To grow, give birth, produce, or be born; to live or be alive; life; raw or uncooked; to arise or occur; student; a person's livelihood.

Appearance; state; manner; bearing; attitude; (grammar) voice, indicating the relationship between an action and its subject (active or passive).

system; department or faculty in a university; to connect or tie up; to relate to; to inherit; to be (literary); surname.