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- backhand topspin service 发反手下旋球
- You are learning the backhand topspin and backspin serves. 你（你们）在学习发反手上旋球和下旋球。
- We are practising backhand topspin and backspin serves. 我们正在练习反手推挡。
- Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service. 发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。
- Ronald seems to know all kinds of serve techniques-the backhand topspin and backspin serves,the forehand topspin and backspin serves,and the high toss serves. 所有的发球技巧，罗纳德似乎都懂-----反手上旋球和下旋球、正手上旋球和下旋球以及高抛球。
- Ronald seems to know all kinds of serve techniques-the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss serves. 所有的发球技巧，罗纳德似乎都懂-----反手上旋球和下旋球、手上旋球和下旋球以及高抛球。
- 1.Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service. 发球方法包括反手上旋球和下旋球.;正手上旋球和下旋球以及高 抛 发球
- 2.Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service. 发球方法包括反手上旋球和下旋球.;正手上旋球和下旋球以及高抛发球
- 43、You are learning the backhand topspin and backspin serves. 你（你们）在学习发反手上旋球和下旋球。
- 42、We are practising backhand topspin and backspin serves. 我们正在练习反手推挡。
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- The typewriter is at your service. 这台打字机随便你使用。
- You got on his backhand with a lot of topspin. 你用上旋对付他的反手。
- services include the backhand topspin and backspin serves,the forehand topspin and backspin serves,and the high toss service 发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球
- 4. Services include the backhand topspin and backspin serves, the forehand topspin and backspin serves, and the high toss service. 发球方法包括，反手上旋球和下旋球，正手上旋球和下旋球。和高抛发球。收藏指正
- A two-fisted backhand stroke in tennis. 网球中双手握拍的反手击球
- Johnson uses his double-handed topspin backhand drives and plays it back along the flight path of the service. 约翰反手抽上旋球，将球沿发球路线击回。
- A new bus line has been brought into service. 开辟了一条新的公共汽车线。
- Its slow service gave the restaurant a bad name. 这家餐馆因缺乏效率的服务搞得名声很坏。
- He filed for a civil service job. 他申请公务员的工作。
