mid-15c., "beneficial," also "valid, effective, capable of producing the desired effect," from avail + -able. Meaning "at one's disposal, capable of being made use of" is recorded from 1827.
中文解释
1、a- "to" (see ad-) + -vail- "be worth" + -able.
实用例句
1. They have only a vague idea of the amount of water available.
他们只是大概知道可用水的总量。来自柯林斯例句
2. Other amenities, less commonly available, include a library and exercise room.
还有一些不太常有的设施，包括图书馆和健身房。来自柯林斯例句
3. Cheap goods are available, but not in sufficient quantities to satisfy demand.
有一些廉价的商品，但是数量不足以满足需求。来自柯林斯例句
4. The service covers contraceptive advice and health checks, and is available free.
服务项目包括避孕建议和健康检查，并且免费提供。来自柯林斯例句
5. Water and electric hook-ups are available and facilities are good.
