adj.用不完的；无穷的；不知疲倦的

They are filled with inexhaustible drive. 他们浑身有使不完的干劲。

The rivers afford an inexhaustible supply of fish. 这几条河有取之不尽的鱼类资源。

The wisdom of the masses is inexhaustible. 群众的智慧是无穷的。

The potentialities of the human brain are inexhaustible. 人类头脑的潜力是无穷的。