toxic /ˈtɔksik/ adj.有毒的，有毒性的；中毒的：toxic smoke/gases毒烟（气）；the dumping of toxic waste有毒废物的倾倒；toxic symptoms中毒症状When spilled into the sea, oil can be toxic to marine plants and animals.石油溢入海洋可能危害海洋生物。