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The heat energy that we get from the sun may be changed into oth
- 2024-07-26 13:47:54
- 高级英语(00600)
The beauty of lasers is that they can do machining without ever
- 2024-07-26 13:47:58
- 高级英语(00600)
A trial run is needed before the machine is put into operation.
- 2024-07-26 13:48:01
- 高级英语(00600)
Translate the following sentence into Chinese.A young man of hum
- 2024-07-26 13:48:10
- 高级英语(00600)
Translate the following sentences into Chinese.For a moment the
- 2024-07-26 13:48:14
- 高级英语(00600)
Translate the following sentence into Chinese.Rich people are sh
- 2024-07-26 13:48:17
- 高级英语(00600)
Translate the following sentence into Chinese.We live in an era
- 2024-07-26 13:48:20
- 高级英语(00600)