来自希伯来闪语。
In early examples the word, like most other names of precious stones, is of vague meaning; the mediæval references to the stone are often based upon the descriptions given by classical writers of the smaragdus, the identity of which with our emerald is doubtful. [OED]Emerald Isle for "Ireland" is from 1795.
来自柯林斯例句
来自《简明英汉词典》
来自辞典例句
来自飘(部分)
来自辞典例句