如何使用 "contraption" 造句

1. I don 't understand how this contraption works .
我弄不懂这怪玩意儿是怎么运转的。
2. I don 't understand how this contraption operates .
我弄不懂这怪玩意儿是怎么工作的。
3. A peculiar contraption for removing pips from oranges .
可以除去柑橘的子的稀奇玩意儿。
4. She showed us a strange contraption that looked like a satellite dish .
她给我们看了一个奇怪的玩意儿,样子像碟形卫星信号接收器。
5. The contraption is not widely known in china .
这种装置的自行车在中国并不广为人知。