Emotional upsets generate powerful and deadly toxic substances. 致命的有毒物质
They might eat something toxic and damage their health. 吃到一些有毒的东西
Otherwise, no fish are able to survive in the naturally toxic lake. 在这个天然有毒的湖中生存
Toxic chemicals were spilled into the river. 有毒化学品流入了河里。
Many pesticides are highly toxic. 许多杀虫剂毒性很大。