美['peɪsə] pacer 基本解释 [电] 步测器 pacer 词性变化 名词复数形式:pacers 词组短语 1、medium-pacern. = medium-pace bowler 2、coachpacer教练步行者 3、paceraircraft pacer飞机 4、polarpacerpro 极速起搏器 5、rapidpacer快速起搏器 6、fitness grampacertest script 健身格斗测试脚本...
The FitnessGram Pacer test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter Pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute