英语词汇upgrading是什么意思，upgrading的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	upgrading
释义	WORD PARTNERSHIP 词语搭配〔upgrade〕upgrading their military defenses.提升他们的军事防务水平美国传统the upgrading of the firm's PCs 这家企业个人电脑的升级牛津商务
随便看	serous canal serous catarrh serous cavity serous cell serous cells serous coat serous crescent serous cyclitis serous cyst settled in life settled income settled income settled intention settled land settled layer settled organism settled population settled population settled principle settled principle settled sewage settlement settlement settlement settlement

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