adj. 有毒的；会产生毒素的；恶毒的，令人很不愉快的；有许多危害的，恶性的
[
比较级
more poisonous
最高级
most poisonous
]
poisonous gas毒气；有毒气体
poisonous substance有毒物，毒性物质
词根：poison
adj.
poison 有毒的
n.
poison 毒药，毒物；酒；有毒害的事物；[助剂] 抑制剂
poisoning 中毒
poisoner 投毒者；毒害者
v.
poisoning 毒害（poison的ing形式）
vi.
poison 放毒，下毒
vt.
poison 污染；使中毒，放毒于；败坏；阻碍
1.Some poisonous substances are flowing into the rivers that are sources of our drinking water.
一些有毒物质流入我们作为饮用水的河流中。
2.The process allows many poisonous substances to escape into the environment.
这个过程让许多有毒物质进入到了自然环境中。
3.There are hundreds of poisonous spiders and snakes.
有数百种毒蜘蛛和毒蛇。
4.Some plants are poisonous and should be handled with care.
有些植物有毒，必须小心对待。
5.All parts of the yew tree are poisonous, including the berries.
紫杉树全身都有毒，包括其果实。
6."No one expected Venus to be the poisonous hell that it is, or Mars to have the river valleys that it does," he said.
“没有人能够预料到，金星是那样一个充满毒气的地狱，而火星表面却有河谷。”他说。
7.In the darkness, she did not see it. It was a poisonous snake whose tail was caught in the trap.
在黑暗中，她没有看见它，其实它是一条毒蛇，它的尾巴掉进了陷阱里。