?保护区
... enriched mixture 富油混合气 district of a guard 保护区 extremely dangerous material 特别危险品 ...
Brendan McPherson, 7th Coast Guard District chief of response enforcement, said it was a "tragic and preventable loss of life, " in a statement Tuesday.
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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。