[] a device for controlling the flow of liquid or gas from a pipe or container龙头；阀门◆a gas tap天然气阀门◆(figurative) At first they had many investors, but now the money tap has been turned off.起初他们拥有很多投资者，但现在资金来源已被切断。●on ˈtap () available to be used at any time随时可以使用的◆The new software means that we have the latest sales figures on tap.有了这款新软件，我们可以随时获得最新的销售数据。 () likely to happen at the planned time; planned and ready to happen预计发生的；即将发生的◆The report is on tap for Friday.这份报告星期五即可完成。◆What's on tap for the week ahead?下周有什么计划？