您要查找的是不是：
- 音乐会用的大钢琴.a concert grand
- 一种在海边供散步用的开阔平直的大路（铺的或草坪）。a long stretch of open level ground (paved or grassy) for walking beside the seashore.
- 常用in common usage
- 我们的大钢琴声音很准。Our grand piano is in tune.
- 可用do
- 通常音乐会都有大钢琴演奏。Usually there is a grand piano at a concert.
- 没用的trashy
- 不用need not
- 那个男孩对音乐没有兴趣，他们为他买的大钢琴成了件多余的东西。The boy showed no interest in music. The grand piano they had bought for him was nothing but a white elephant.
- 无用的useless
- 不用的unused
- 他们小心翼翼地把大钢琴搬进门里去。They coaxed the grand piano through the door.
- 没有用的unprofitable
- 有时他在摄影棚里放一架大钢琴。He sometimes has a grand piano on the set.
- 不可用的unusable
- 用的medical
- 那个男孩对音乐没有兴趣,他们为他买的大钢琴成了件多余的东西。The boy showed no interest in music. The grand piano they had bought for him was nothing but a white elephant.
- 好用的user-friendly
- 她开始在那架大钢琴上演奏起第一首颂歌。She struck up the first carol on the grand piano.
- 家用的domestic
