野外鉴定长石时要特别注意双晶的观察。

Field evaluation of feldspar should pay special attention to twin observation.

youdao

她用那双晶莹明媚的眼睛端详着我。

She studied me with her sharp bright and beautiful eyes.

《新英汉大辞典》

亚马逊石有闪光的格子色斑，是由于它独特唯一的双晶结构引起的。

Amazon stone have flash grid melanin, and because it unique double crystal structure cause.

youdao

亚马逊石有闪光的格子色斑，是由于它独特唯一的双晶结构引起的。

Amazon stone have flash grid melanin, and because it unique double crystal structure cause.

youdao