?格拉瓦塔斯纤维
格拉瓦塔斯纤维
They should carry the same gravatas as a handshake or a good old-fashioned business lunch where deals get made.
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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。