gravityKK [ˋgrævəti] /ˈɡɹævəti/名詞1重力、地心引力物理Without gravity, everything inside the spacecraft simply floats away.沒有重力,太空船裡的東西就會直接飄走。2嚴重性、嚴重Few people understood the gravity of the situation at first.起初很少人了解情勢的嚴重性。3莊重、嚴肅正式He spoke with a gravity that silenced the whole room.他說話時的莊重讓全場都安靜下來。