COLOSSEUM, ITALY: The 50,000 - seat amphitheater 3 in Rome was inaugurated in A . D . 80.罗马圆形大剧场(意大利): 容纳5万人的罗马竞技场建于 公元 80年.When he at last arrived in Rome he felt he had reached his goal.当他终于抵达罗马时, 他感到自己已达到了目的。When at R...
The spaceman will drive his moon car around to study the moon.宇航员将开着月球车到处考察月球.The spaceman flew through the galaxy at the speed of light.太空人以光速穿越银河系.Have you ever wanna be a spaceman?你曾经想成为一名宇航员 吗 ?...
The moon's gravity pulls the waters of the earth into a bulge.月球引力吸引地球上的水,形成涨潮....the pull of gravity.重力的牵引...the law of gravity.万有引力定律Armadillos aren't the only creatures who rely on gravity to get the ball ro...