SEC
abbr. 美国证券交易委员会（United States Securities and Exchange Commission）
例句
She ran a personal best of 13.01 sec.
她跑出了13.01秒的个人最佳成绩。
《柯林斯英汉双解大词典》
Davis won the 400 metre hurdles in a new Olympic time of 49.3 sec.
戴维斯以49.3秒这一新的奥运会记录在400米跨栏赛跑中夺冠。
The first woman to finish was Grete Waitz of Norway, with a time of 2 hrs, 29 min., 30 sec.
第1个完成的女性是挪威的格雷特·瓦伊茨，用时2小时29分30秒。
