noun🔗Share起飞，升空 The point in the launch of a rocket or an aircraft where it leaves contact with the ground."The rocket's liftoff was spectacular, sending a plume of smoke into the air. "火箭升空的那一刻非常壮观，一股烟柱直冲云霄。technologyvehiclespacephysicsChat with AIVocabulary GamePractice Reading
noun🔗Share起跳，离地. The point at which a person or animal leaves the ground, as for example when jumping."The gymnast's liftoff was powerful, propelling her high into the air. "体操运动员的起跳非常有力，将她高高地送入空中。physicsactionChat with AIVocabulary GamePractice Reading
