This gas is highly poisonous.
这种气体有剧毒。
Poisonous smoke had got into the water supply
毒烟已经进入供水系统。
All parts of the yew tree are poisonous, including the berries.
紫杉的各个部分都有毒，包括浆果。
There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances
根本没有法规来确保香烟不含有毒物质。
There are hundreds of poisonous spiders and snakes.
毒蜘蛛和毒蛇成百上千。