Sports authorities fear that a new form of doping will be undetectable and thus much less preventable.
Sports authorities fear that a new form of doping will be undetectable and thus much less preventable.
运动管理单位忧心，有一类新型的违禁法将无法侦测、也难以防範。
Sports authorities fear that a new form of doping will be undetectable and thus much less preventable.
运动管理单位忧心，有一类新型的违禁法将无法侦测、也难以防範。