gravity

gravity
noun
[mass noun]

(Physics)the force that attracts a body towards the centre of the earth, or towards any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account
(物理)重力；地心吸力；（万有）引力
■the degree of intensity of this, measured by acceleration
重（量）
extreme or alarming importance; seriousness
重大；严重
crimes of the utmost gravity.
极其严重的罪行。
■seriousness or solemnity of manner
严肃；庄严
has the poet ever spoken with greater eloquence or gravity?.
那位诗人以前像这样雄辩和严肃地说过话吗？。

语源

late 15th cent. (in sense 2): from Old French, or from Latin gravitas 'weight, seriousness', from gravis 'heavy'. Sense 1 dates from the 17th cent