Vocabulary

不可欠

indispensable; essential

na-adjective noun
N1 freq #7

Example sentences

Fertile soil is indispensable for agriculture.

The sun is essential to life.

Sleep is essential for the preservation of life.

Water is essential to life.

Water is essential to life.

Water is indispensable to us.

Freedom is the breath of life.

Health is indispensable to a happy life.