n
1 series of connected pipes, usu underground,for conveying oil, gas, etc to a distant place （长距离输送油、气等的）管道（通常指地下的）.
2 (fig 比喻) channel of information or supply, esp direct, privileged or confidential （信息或供应的）渠道, 途径（尤指直接的、基于特权而获得的或秘密的）
*a pipeline to head office, the Prime Minister, the manufacturer 联系总部、首相、厂商的渠道.
3 (idm 习语) in the `pipeline
(a) (of goods, orders, etc) being dealt with; on the way （指货物、定单等）在处理或运送中.
(b) (of changes, laws, proposals, etc) being prepared or discussed; about to happen （指变化、法令、建议等）在准备、讨论或酝酿中, 即将发生
*New laws to deal with this abuse are in the pipeline. 正在制定处理这种弊端的新法令.

n[C]
a line of connecting pipes, often under the ground, used for sending gas, oil etc over long distances
be in the pipeline
if a plan, idea, or event is in the pipeline, it is being prepared and it will happen or be completed soon
　More job losses are in the pipeline.