毒素分析技术进步了许多，但是有时能够分析出一些精心注入的有毒物质也纯属侥幸。
Toxin analysis has improved but sometimes it is only luck that reveals ingeniously administered substances.
尸检分析显示存在一种尚未识别的病毒，以及一种已知细菌毒素的证据。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a known bacterial toxin.
到目前为止，通过章鱼毒素的分析，已经鉴定出两种以前从未发现过的新型毒素。
So far, analysis of the venom has revealed two toxins that are new to science.
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