Black Lambskin Leather small hand bag pouch sac New!黑色羊皮皮革小手包零钱包国资委全新!She kept her money in a pouch around her neck.她把钱装在脖子上挂的荷包里。He was going to make a tobacco pouch out of them.他要用它们缝制一个烟草袋。A kangaroo carries its young...
He tip-toed to the door in his stockinged feet.他踮着脚尖走到门口，只穿着袜子没穿鞋。...black sharp-toed cowboy boots.黑色尖头牛仔靴She toed cautiously into the room.她小心翼翼地踮着脚走进房间.She toed scrupulously into the room.她小心翼翼地踮着脚走进房间。Open - Toed or B...
这些火焰造成了对流漏斗，把许多微粒抛向上层大气。These fires create convection funnels, and throw a lot of particles into the upper atmosphere.对流可分为两类, 即 自然对流和强制对流.Convection can be of two types: natural convection and forced convection.散发汗水的一种方...