0 able to cause or causing death; extremely dangerous -- 致命的；极其危险的
Three minutes after the fire started, the house was full of lethal fumes. 起火3分钟后，房子里充满了致命的毒气。
In the car the police found guns, knives, and other lethal weapons (= weapons that can kill). 警察在车里找到了枪支、刀具及其他一些凶器。
A 59-year-old man was executed by lethal injection (= by having a poisonous substance put into his body) this morning. 今晨一位59岁的男性罪犯被执行注射死刑。
informal That combination of tiredness and alcohol is lethal (= has a very bad effect). 身体的疲劳加上酒精的作用会产生非常严重的后果。
Only deleterious mutations (positive s values) were assumed for the effects on fitness, and lethal mutations were not included in the analysis.
The author reported that the lethal effect of testosterone was because it ' stiffens the blood vessels'.
On crossing, therefore, the viability and the number of lethal equivalents due to them return to the original values of the ancestral population.
Thus began the first influx of weaponry more lethal than the spears which had previously served as instruments of hunting and raiding.
There is no evidence of a cosmic intruder of sufficient size to be lethal.
Indeed, as long as lethal palliation is permitted, those distinctions cannot even place withdrawing life-sustaining treatment and active euthanasia on different sides of the line.
Consequently, inbreeding depression due to lethal mutations remains unchanged for all levels of gene flow, and results are almost identical to those for single populations.
In the present experiments ifosfamide was tested for induction of dominant lethal and specific-locus mutations in germ cells of male mice.
