语言选择:
免费网上英汉字典|3Dict

Micronometer

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Micronometer \Mi`cro*nom"e*ter\, n. [Micro- + chronometer.]
   An instrument for noting minute portions of time.
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z