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alexandrite ['ælɪg'zɑ:ndraɪt] n
gen. 色宝; 翠绿宝石; 紫翠玉
oil 变石
tech. 金绿宝石
textile 紫翠玉色; 紫翠玉色白天呈暗绿色,在红光线下呈红紫色; 变色宝石
 English thesaurus
alexandrite ['ælɪg'zɑ:ndraɪt] n
jewl. Named after Czar Alexander II, very desirable, green in daylight, red in artificial light.
alexandrite
: 6 phrases in 3 subjects
Ecology1
Shipbuilding1
Technology4