(chiefly N. Amer.)a change from what one is used to
(主北美)更新；易俗
the magenta is a change of pace from traditional red.
传统的红色现在换成了紫红色。
move, develop, or progress at the same speed as
（与…）齐步前进；（与…）并驾齐驱
fees have had to be raised a little to keep pace with inflation.
为了与通货膨胀同步收费不得不有所提高。
behind the leader or leading group in a race or contest
（赛跑、竞赛中）在跑在第一的人（或人群）后面
make someone (or something) demonstrate their (or its) qualities or abilities
测试某人（或某物）的性能（或本领）
be the fastest runner in the early part of a race
成为赛跑开始后不久跑得最快的人
be able to keep up with another or others
能跟上别人