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1.relay team 接力队，接力赛跑
例句：Otherwise the swimmer committing the fault, or his relay team, shall be disqualified.
若造成犯规，则该运动员或其接力队将被取消资格。
2.banned substance 违禁药物，违禁药品
例句：He was found to have traces of the banned substance, ephedrine, in his blood stream.
在他的血液中发现有违禁物质麻黄素的迹象。
n. (人，车，气)流，水流，组
v. 流动，
