on tap
01
可用的, 随叫随到的
available for immediate use
非正式
语法信息
形态构成
复合词
关系形容词
不可分级
领域
availability, services, resources
例子
We have several experienced technicians on tap if problems arise.
02
桶装的, 散装的
(of liquids) available by turning a tap
例子
The bar has six local beers on tap.
