单词	rara avis
释义	ra·ra a·vis (rârə āvĭs) n. pl. ra·ra a·vis·es or ra·rae a·ves (rârē āvēz) A rare or unique person or thing. [Latin rāra avis : rāra, feminine of rārus, rare + avis, bird.]
随便看	let in on let it all hang out let it/'er rip let it rip Leto let off on let on let (one's) hair down let one's hair down let out let-out letrozole let's let slip let (someone) have it let someone have it let (someone) in on let someone in on Lett letter letter bomb letterbox letter carrier lettered letterer

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