precisely

adv. /prəˈsaɪs.li/ B2

精确地；恰恰

Exactly; with great accuracy and detail.

仙境例句

At precisely twelve o'clock, the old Turtle hit the bell, and every pupil swam out to play.

十二点整，老海龟敲响了铃，所有学生都游出去玩了。