opium-basedBNC²³⁶²¹³⁺¹ 例句 Some reasons for this are legal: nursing homes are tightly regulated in their use of opium-based pain- killers, and also fear lawsuits if they fail to do everything possible to prolong life. 其中有法律上的缘由:疗养院中含麻醉品止痛药的使用有严格的规定,院方也害怕因未能延续病人生命而惹官司上身。 ebigear