那些孩子每天花费半个小时练习弹钢琴的翻译：The children spend half an hour a day practicing the piano 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The children spent half an hour a day practicing the piano

The children spend half an hour a day practicing the piano

These children spend half hour drill ammunition piano every day

Those kids spend a half an hour a day practice playing the piano

The children spend half an hour a day practicing the piano