形容词

1. 用不完的;无穷无尽的
If there is an inexhaustible supply of something, there is so much of it that it cannot all be used up.

1. incapable of being entirely consumed or used up

e.g. an inexhaustible supply of coal

2. that cannot be entirely consumed or used up

e.g. an inexhaustible supply of coal

Synonym: unlimited