noun 下载 🔗分享 踱步者，来回走动的人 One who paces. Examples : "The expectant fathers were mostly pacers in the hospital waiting room, nervously walking back and forth. " 准爸爸们大多都是在医院等候室里踱步的人，焦躁不安地来回走动。 person action 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 走马，平步马 In harness racing, a horse with a gait in which the front and back legs on one side take a step together alternating with the legs on the other side; as opposed to a trotter. Examples : "At the harness race, it was easy to tell the pacers from the trotters by their distinctive side-to-side gait. " 在轻驾车赛马中，通过它们独特的左右摆动步法，很容易区分走马（平步马）和普通的跑马。 sport animal race vehicle entertainment 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 领跑者，配速员 A pacemaker. Examples : "The coach used the experienced runners as pacers to help the newer athletes maintain a consistent speed during the long race. " 教练让经验丰富的运动员担任配速员，帮助较新的运动员在长跑比赛中保持稳定的速度。 medicine device 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 自动铅笔，活动铅笔。 A mechanical pencil. Examples : ""I prefer using pacers for drawing because the lead never smudges." " 我更喜欢用自动铅笔/活动铅笔画画，因为铅芯不会弄脏。 stationery writing item 与AI对话词汇游戏阅读练习
