she can sing and dance改为否定句
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she can sing and dance改为否定句:She can't sing and dance.
例句:
1、Two numerical examples including the side wall thermal driving case and the end cap mechanical driving case were also given.
最后,给出侧壁热驱动和端盖机械驱动的两个算例。
2、Stress, both human and mechanical, may also be a contributing factor.
来自人的和机械方面的压力可能也是一个因素。
3、The train had stopped due to a mechanical problem.
火车因为机械故障停了下来。
4、The company undertakes mechanical work on all types of cars.
该公司承接各类汽车的修理工作。
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