英语语法分析

The previously-undetectable drug was manufactured by the Bay Area Laboratory Cooperative or BALCO.

这种以前服用后不能被检测出的禁药由湾区实验室合作社（简称BALCO）生产。

The probe into the California-based laboratory BALCO uncovered a previously undetectable steroid that had been given to several high-profile athletes.

对加州BALCO实验室的调查揭露了一个从未发现的类固醇药物，这些药物曾被提供给许多著名的运动员。