tree of southeastern Asia to Australia grown primarily for its sweet edible fruit resembling litchi nuts; sometimes placed in genera Euphorbia or Nephelium
例句
用作名词 (n.)
Longan is a small white fruit, and it grows in Southeast Asia only. 龙眼是一种小型白色的水果,而且它只生长在东南亚。
They want to dry the longan so the storage period will be longer. 他们想把龙眼晒干以有更长的保质期。