pace (back and forth)
常与表示来回的副词连用。
He paced back and forth nervously.
他紧张地来回踱步。
有节奏地行走；踱步
pacing — present participle of pace
以…的速度行进；步测；用步子量；慢走或快走；以一定速度行走；通过步测来测量距离
walk with regular steps, often at a slow or fast speed
慢走或快走
walk with slow or fast paces
以一定速度行走
go at a pace
通过步测来测量距离
measure (distances) by pacing
一般现在时
She paces around the room when she is nervous.
她紧张时会在房间里踱步。
现在进行时
He is pacing back and forth outside the exam hall.
他正在考场外来回踱步。
一般过去时
They paced the length of the field yesterday.
他们昨天测量了场地的长度。
规则动词，过去式、过去分词加-ed，现在分词去掉e加-ing
He paced back and forth in the waiting room, anxious about the interview.
他在候诊室里来回踱步，对面试感到焦虑。
用法提示：此处pace作动词，意为来回踱步，表示紧张不安的状态。
She paced the length of the garden, thinking about the problem.
她沿着花园的长度踱步，思考着那个问题。
用法提示：此处paced为过去式，表示有目的地缓慢行走。
The teacher was pacing in front of the blackboard, waiting for the students to finish the test.
老师在黑板前踱步，等待学生完成测试。
用法提示：此处pacing为现在分词，表示持续踱步的动作。
常与表示来回的副词连用。
He paced back and forth nervously.
他紧张地来回踱步。
名词为地点，表示在某处踱步。
She paced the room while thinking.
她一边思考一边在房间里踱步。
表示用步测量距离。
Pace out the length of the field.
用步测出田地的长度。
grammar · medium
易错句子She needs to pace in the marathon.
正确表达She needs to pace herself in the marathon.
在表示'调整速度'时, pace 必须后接反身代词 oneself, 汉语习惯省略宾语导致错误.
grammar · medium
易错句子He paced on the floor nervously.
正确表达He paced the floor nervously.
动词 pace 可直接跟表示地点的名词作宾语, 无需介词 on; 汉语 '在...上踱步' 的习惯导致误加介词.
踱来踱去
He paced up and down the hallway, waiting for news.
他在走廊里踱来踱去，等待消息。
来回踱步
She paced back and forth in the room, deep in thought.
她在房间里来回踱步，陷入沉思。
在地板上踱步
The nervous father paced the floor of the hospital waiting room.
紧张的父亲在医院候诊室的地板上踱步。
紧张地踱步
Before the exam, students were pacing nervously outside the classroom.
考试前，学生们在教室外紧张地踱步。
在…周围踱步
She paced around the garden, trying to calm down.
她在花园里踱步，试图冷静下来。
跟上...的步伐
It's hard to keep pace with the rapid changes in technology.
很难跟上技术的快速变化。
定调子；领先
The company has set the pace in the smartphone market.
这家公司在智能手机市场定了调子（领先）。
调整自己的节奏
You need to pace yourself during a marathon.
在马拉松中你需要调整自己的节奏。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, OCTANOVE, WORDNET.