1.poisonous adj. 有毒的;惡毒的;討厭的
A lot of poisonous waste water comes from that chemical factory.
那個化工廠排出大量有毒的廢水 。
2.mangrove n. 紅樹林
It is the world's largest tidal mangrove forest.
它是世界上最大的紅樹林沼澤地 。
3.indication n. 指示,指出;跡象;象征
He gave no indication that he was ready to compromise.
他沒有流露出打算妥協的跡象 。