1.[U 不可数名词]地球引力， 重力Gravity is the force that causes things to drop to the ground. 双语例句例：Arrows would continue to fly forward forever in a straight line were it nolunar gravity v.+n. defy gravity 权威英汉双解英汉英英网络释义gravity 显示所有例句n. 1. 重力；地球引力the force that attracts objects in space towards each oth
gravity重力，不可数名词，故填gravity。4)without.考查介词。根据句意：没有食物我们只能活一周左右。without没有，故填without。5)weak.考查形容词。根据句意：这个小男孩很虚gravity 认真，重要性，重力，引力（不可数名词）
这句话跟单复数无关是虚拟语气的改写相当于If there were no gravity, there would be同个例子比如：If I were you,这些都表示绝对不可能的事情field of gravity 重力场gravity abutment 重力式岸墩gravity action 重力作用gravity bag 重力贮藏器gravity bar 重力连接杆gravity battery 重力
gravity英音：['græviti] 美音：['græviti] 不可数名词：1.万有引力，地心引力2.严肃，重要性，认真英英释义a solemn and dignified feeling a manner that is serious and so百度试题题目escape Earth's___(重力) 相关知识点：解析结合句意可知，此处用不可数名词gravity表示"重力"。故填：gravity。反馈收藏
