medium speed的用法和樣例：
例句
- He usually drives at a moderate speed.
他通常中速駕駛。 - Sharpshooter Lakers to complete all the projects, he trained in doing the movements carefully as possible, moving as far as possible in order to speed completion.
湖人神射手完成了所有的項目，他在訓練中盡量小心翼翼的做著(zhù)動(dòng)作，移動(dòng)中盡量以中速完成。
