studding

例句：

1. 2.
   通常指
2. 3.
   通常指
3. 1.She is a great studina for the team.
   她为团队做出了巨大贡献。
4. 2.The wrestlers are sparring in the ring.
   摔跤手们在擂台上对练。
5. 3.The boxer was studina with his opponent.
   拳击手与对手进行了激烈的对抗。