It is the summer vacation now, and we are actively contributing to the infrastructure development of this city, adding bricks and mortar to its growth. Of course, that's just figurative language; in plain terms, it means doing manual labor.,At that moment, a black ball fell out of the pocket of the garment, making a sound in the silent little room.,What Wang Ming didn't realize was that the moment the walnut shell hit the ground, it transformed into countless specks of dust, scattered by the wind and vanished from this world, as if there had never been any evidence of its existence.。