adj.引起瘟疫的；有害的
We must get rid of these pestilential flies. 我们得把这些可恶的苍蝇消灭掉.
What symptom >is pestilential later period? 瘟疫后期是什么症状>?
You haven’t name ,Perhaps you are pestilential pig ! 你没有名字，或许叫瘟猪！
No ray of light was allowed to penetrate that pestilential dungeon or to warm its icy-coldness. 没有一丝光线能透进这瘟疫般的地牢，驱散其阴冷。
Pestilence is a fierce and infective disease which is caused by the pestilential pathogen. 疫病是由感受疫疠之气引起的一种具有强烈传染性的疾病。
