• 基本释义

  • 词形变化

1.There are three basic kinds of 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(抡臂)钩手发球。收藏指正
2.N: There are three basic kinds of services: the understand serve, the overhand serve, and the hook serve or roundhouse serve.
基本上有三种：下手发球、上手发球和钩手发球或抡臂钩手发球。收藏指正
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