He 'd anaesthetized himself with chloroform and slashed open his thigh with a razor .

他用氯仿麻醉了自己，并用剃刀割破了大腿。

Furthermore the smell of the chloroform would be lost in the gas later on .

此外，氯仿的味道也会在之后的煤气中消失。

Lee says chloroform is responsible for one third of the seriously contaminated sites in the us .

李说美国三分之一的严重污染区中，三氯甲烷都有责任。

But the results varied widely , possibly because of inaccurate estimates of methyl chloroform released by human activities .

但是，结果已经发生了很大变化，可能是因为对人类活动生成的甲醇氯仿物估计不准造成的。

The gas was banned by the montreal protocol , so now , no new methyl chloroform is fouling the data .

礼仪阻止气体生成，因此，再没有新的甲醇氯仿物能够打乱这项研究的数据了。