“有毒化学品”常见的英文表达是 “toxic chemicals” 。
“toxic”意为“有毒的；引起中毒的” ；“chemicals”是“chemical（化学制品；化学品）”的复数形式。
例句：The factory was fined for illegally discharging toxic chemicals into the river.（这家工厂因非法向河中排放有毒化学品而被罚款。）