He needs morphine to deaden the pain in his chest.
他需要吗啡来减轻胸口处的疼痛。
《柯林斯英汉双解大词典》
2
When mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur.
当老鼠同时服用吗啡和新型药物纳曲酮时，虽然仍会发生血液中毒，但发生的频率大大降低。
3
Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream.