She has invented a nifty little gadget for undoing stubborn nuts and bolts.
她发明了一种灵巧小工具用来松开紧母和栓。
She has invented a nifty little gadget for undoing stubborn nuts and bolts.
她发明了一种灵巧小工具用来松开紧母和栓。
The new president spent the first year undoing the work of his predecessor.
新总统用了第一年时间来收拾前任总统留下摊子。
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