sec.
英
美
-
名词 sec:
-
1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
-
ratio of the hypotenuse to the adjacent side of a right-angled triangle
-
an independent federal agency that oversees the exchange of securities to protect investors
形容词 sec:
-
(of champagne) moderately dry
-
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌