例句
Rawlins stresses that it is impossible to prove a causal link between the drug and the deaths.
罗林斯强调说证实毒品与死亡之间的因果关系是不可能的。
Rawlins stresses that it is impossible to prove a causal link between the drug and the deaths.
罗林斯强调说证实毒品与死亡之间的因果关系是不可能的。