"高级词汇" 的英文表达为 "advanced vocabulary".
"Vocabulary" 是来自拉丁语 "vocabularium"，意为 "词汇表"。"Advanced" 来自拉丁语 "avans"，意为 "进步"、"高级"。
以下是一些使用高级词汇的英文例句及其中文翻译:
The professor's lecture was replete with erudite vocabulary.
(教授的演讲充满了博学的词汇。)
The novel's narrative was augmented by its use of ornate vocabulary.
(小说的叙述因其使用华丽的词汇而增强。)
She impressed her peers with her expansive vocabulary.
(她用她广泛的词汇给同龄人留下了深刻印象。)