这种毒品在大剂量使用时会引发幻觉。

The drug induces hallucinations at high doses.

《柯林斯英汉双解大词典》

Simon Crowe教授表示，咖啡和茶这样含有咖啡因的其他盈饮料在大剂量的饮用后，“可能会增加产生幻觉的可能性。”

Coffee and other caffeinated drinks such as tea and energy drinks can 'increase tendencies to hallucinate' when taken in large doses, said Professor Simon Crowe.

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那个庞然大物（除非它是个人）继续在他身边走着，可是十分文静，因而沙斯塔开始希望这只不过是他的幻觉罢了。

The Thing (unless it was a Person) went on beside him so very quietly that Shasta began to hope he had only imagined it.

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