精选

jīng xuǎn de biāo běn

精选的标本

choice specimen

shí bā shì jì yīng guó shī gē jīng xuǎn

十八世纪英国诗歌精选

selections from the 18th century English poetry

yòng jīng xuǎn de yuán liào zhì chéng

用精选的原料制成

made of choice material

yán jiū rén yuán jiāng zhè zhǒng zhēn guì de kuàng wù jīng xuǎn chū lái

研究人员将这种珍贵的矿物精选出来。

Researchers selected this precious mineral.