英语词汇at 2500 ecs怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	at 2500 ecs
释义	at prep — 于 prep • 对 adv • 乎 prep
随便看	I inform you that i inform you that i in general have I in Germany i in Germany i inherited i initialized . i initially booked i initially intended i initially learned i initially submitted i initially thought i initially wanted to I initially wanted to i injured i in need i in person i inputted data i inquired i inserted i insist i insist again I insisted upon I insisted upon i insist on

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

at prep —