老师很放心地把低音部给我带。
记住这个，我们能够很放心地,使用机械能守恒定理。
So with this in mind, I feel comfortable to pursue my conservation of mechanical energy.
那个商人很诚实，你可以放心地和他做生意。
The businessman is very honest, so you can deal safely with him.
那个商人很诚实，你可以放心地和他做生意。
The businessman is very honest, so you can deal safely with him.
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