常見例句用作名詞 (n.)We present a design concept for a spacecraft that can controllably alter the trajectory of an Earth-threatening asteroid by using gravity as a towline.我們爲一艘太空船提供了一項設計，能藉由使用萬有引力如一個拖繩般約束改變威脇地球的小行星的軌道。Towline imported from Germany.德國進口拖鏈。 返回 towline