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?yōu)橐凰姨沾峁┝艘豁椩O計，能藉由使用萬有引力如一個拖繩般約束改變威脅地球的小行星的軌道。Towline imported from Germany.德國進口拖鏈。 返回 towline