不毛

Adjective

 * 1)  barren, sterile, infertile

Adjective

 * 1) barren, sterile, infertile
 * 2) barren, fruitless, futile
 * 1) barren, fruitless, futile

Noun

 * 1) barrenness, sterility, infertility
 * 2) barrenness, fruitlessness, futility