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.,At this time, Wang Ming's handful of walnuts had nothing but their shells. Even a bad walnut shouldn't be completely empty.。