a bright green precious stone consisting of a chromium-rich variety of beryl 翡翠,绿宝石 [as modifier]an emerald necklace. 一条翡翠项链。
[mass noun]a bright green colour like that of an emerald 翡翠绿,翠绿色 [as modifier]the leaves are emerald green. 树叶翠绿欲滴。
(亦作 emerald moth)a slender-bodied green moth, the colour of which tends to fade as the moth ages 尺娥
Several genera in the family Geometridae 尺娥科的几个属
a hawker dragonfly with a metallic green body 蜻蛉,豆娘
Cordulia and other genera, family Corduliidae 伪蜓属及其他属,伪蜓科
a small hummingbird with bright metallic green plumage and darker wings and tail, found mainly in the area of the Caribbean and Central America 一种小型蜂鸟(羽亮绿色,翼尾色深,主要产于加勒比地区和中美洲)
Three genera, in particular Chlorostilbon and Amazilia, family Trochilidae: numerous species 蜂鸟科,3属,尤指翠蜂鸟属和艳蜂鸟属,众多种
adjective
bright green in colour 翠绿色的,鲜绿色的 beyond the airport lay emerald hills. 机场的那边是苍翠的山峦。
语源
Middle English: from Old French e(s)meraud, ultimately via Latin from Greek (s)maragdos, via Prakrit from Semitic (compare with Hebrew bāreqeṯ, from bāraq 'flash, sparkle')