英语词汇发球有效是什么意思，发球有效的用法、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	发球有效
释义	DEFINITIVE EXAMPLES 权威例句〔IN/INSIDE〕If the ball lands within the white lines it counts as a fair serve. 球落在白线内，就算发球有效。朗文写作活用〔good〕The serve was good.发球有效。外研社新世纪
随便看	epoch epoch-making epoch-making epoch-making epoch-making epoch-marking epochal epochal epochal epochal epochmaking epochs epochs epochs Epocryl EPOCS epode epode epoformin epogen Epolene epollicate Epomate epon eponge

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