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n. 实行家(doer的复数)
n. 大门;入口;通道(door的复数)
Dorr分类
Although the FAA's fix only applies to U.S. carriers, it's likely other foreign civil aviation authorities will consider the U.S. agency's plan, said the FAA's Dorr.
CNN: Dreamliners inching toward the runway
英汉双解词典包含3185865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。