Some Australopithecus molars show no trace of microscopic cracks that hard foods should create.一些南方古猿的磨牙看不出坚硬的食物会留下的显微裂缝的痕迹.The elephant grinds its food with its powerful molars.象用其强有力的臼齿嚼碎食物。" Finest specimens of human ...
Flowerbeds and tubs are banked with summer bedding plants...花坛和花盆里种满了夏令花草。Flowerbeds and tubs are banked with summer bedding plants.花坛和花盆里种满了夏令花草。Tubs planted with wallflowers brightened the area outside the door.桂竹香盆栽为门...
售票员吹哨子, 电车停了下来.The conductor blew his whistle, and the tram stopped.警察吹哨子让汽车停下来.The policeman whistled for the car to stop.老师吹哨子开始了赛跑.The teacher blew a whistle to start the race....