基本解释[体育]下手发球英汉例句双语例句There are three basic kinds of service: the underhand serve the overhand serve and the hook serve or roundhouse serve.有三种基本的发球方法：下手发球，上手发球和钩手发球或大力钩手发球。underhand service更多例句词组短语短语underhand d service 下手发球side underhand service 体侧下手发球underhand service更多词组专业释义体育下手发球