Dreye权威释义

n.

同义参见:

以上来源于：《英汉大辞典》

/ˈɛm(ə)ri/

n.

a greyish-black form of corundum (mineral) containing iron oxide, used in powdered form as an abrasive.

C15: from Fr. émeri, from OFr. esmeri, from Ital. smeriglio, based on Gk smuris ‘polishing powder’.

以上来源于：《简明牛津英语词典》