他系着围裙在花园里干活。
He is working in the garden wearing an ___apron.
餐厅服务员都穿着白色围裙，看起来很整洁。
The waiters all wear white ___aprons, which look very neat.
服务员在端菜前系上了围裙。
The waiter put on his ___apron before serving the dishes.
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