gravity
noun [ U ] uk/ˈɡræv.ə.ti/ us/ˈɡræv.ə.t̬i/
(FORCE)
（尤指地球的）重力，引力，地心引力
the force that attracts objects towards one another, especially the force that makes things fall to the ground
the laws of gravity 万有引力定律
(SERIOUS)
严重性
seriousness
I don't think you understand the gravity of the situation. 我认为你没有明白局势的严重性。
Synonyms: seriousness (BAD)severity (SERIOUS)