航空、航天科学技术
变得非常担忧
"Yeah, I've got the gray hair, but I feel fantastic, " he said with a smile.
WSJ: Goal for Jets' Ryan remains same despite changes
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。