英语词汇at first hand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 first hand
释义	at first hand 直接地，亲自地 Scientists observed the process at first hand. 科学家们亲自观察整个过程。
随便看	thiolacetic acid thioler thiolest thiolic thiolic thiols thiomersal thion- thionate thionazin thionic thionic acid thionic acids thionin thionine thionin,thionine thionyl thionyl chloride thionyl chlorides thiopental sodium thiopental sodiums thiopental sodium, thiopentone sodium thiopentone sodium thiophen thiophene

英汉双解词典包含548777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。