n.毒物學(xué)
The results of toxicology tests may take several weeks. 而毒物學(xué)檢驗(yàn)的結(jié)果可能要等上數(shù)周。
Toxicology screening studies were limited, but report some positive tests. 毒物學(xué)篩選的研究有限,但有一些陽(yáng)性報(bào)道。