pace
单词辨析：
普通用词，指交通工具等运动的速率或事情发生的速度。
The train went by at high speed.
火车疾驶而过。
This new plane can reach a speed of 900 kilometres an hour.
这架新飞机的时速可以达到900公里。
We had to increase the speed of delivery.
我们必须加快送货速度。
指人步行的速度，常引申为生活、变化等的速度。
He quickened his pace.
他加快了步伐。
The pace of change has accelerated.
变革的步伐在加速。
In the world today, mankind is progressing at a tremendous pace.
在当今世界，人类进步一日千里。
常指某事在一段时间内发生的速度，可与 speed 换用。
His money was running out at an alarming rate/speed.
他的钱用得很快，速度惊人。
The rate/speed of economic growth has slowed down.
经济增长速度放缓了。
物理学术语，指物体沿着一定方向运动时的速度；作普通意义上的速度解时，则指高速。
The jet plane is flying at the velocity of sound.
喷气机正在以音速飞行。
The students were asked to calculate the velocity of light.
要求学生计算出光的速度。
Leopards can move with an astonishing velocity.
豹子跑起来速度惊人。
指行走的最普通用词，通常后接副词或介词。
Shall we ride or walk?
我们骑马还是步行?
She walked as far as the end of the path.
她一直走到这条小路的尽头。
The boy told me that I should walk eastward.
那个男孩告诉我应该往东走。
尤指因紧张、担忧、不耐烦等而来回踱步。
I found him pacing in his office.
我发现他在办公室里踱来踱去。
The manager paced the floor as he tried to find a solution to the problem.
经理在屋子里来回踱步，试图找出解决问题的办法。
The tiger paced in its cage.
老虎在笼子里走来走去。
指脚步缓慢、步履艰难地行走。
The poor old woman plodded along, hardly able to lift each foot.
可怜的老妇人吃力地走着，几乎都抬不动脚了。
John kept plodding on.
约翰继续艰难跋涉。
We had to plod wearily on up the hill.
我们不得不迈着疲倦的步子继续登山。
通常指因虚弱、负重、醉酒等而导致身体失去平衡或行走失态，强调不稳定性和失控性。
He staggered to the gate, bleeding from his wounds.
他蹒跚地向大门走去，伤口流着血。
The drunken man staggered home.
那个醉鬼摇摇晃晃地往家走去。
He staggered to his feet.
他摇摇晃晃地站起来。
强调步子大而有力，往往伴有或显露出匆忙、自傲、精力充沛等状态。
She turned and strode off.
她转身迈着大步走了。
He strode towards his car.
他大踏步地向他的车走去。
He started back, striding swiftly.
他拔腿往回走，步子又大又快。
特指幼儿因学步而摇摇晃晃地小步行走。
Her baby has just learned to toddle.
她的宝宝刚会走道儿。
My two-year-old son toddled into the bedroom.
我两岁的儿子摇摇摆摆地走进卧室。
指尤因醉酒或患病而摇摇晃晃、跌跌撞撞地行走，好像要跌倒似的。
The old man managed to totter back to his seat.
那位老人摇摇晃晃地好不容易回到了座位上。
Babies and aged men totter as they walk.
幼儿和老人走路蹒跚。
With the help of two crutches, he tottered into the King's presence.
他拄着双拐蹒跚而行，来到国王的面前。
相关例句：
They could not stand the pace or the workload
他们无法忍受那种节奏和工作负荷。
Quickening his pace, he soon left all the other runners behind.
他加快速度，不一会就把别的运动员都甩在后头了。
The pace of change has not been quick enough to satisfy everyone
变化的速度还不够快，不能让所有人都满意。
We need to accelerate the pace of change in our backward country.
我们应当为落后的祖国加快变革的脚步。
Both teams played with a lot of quality, pace and tempo.
两支球队的水平都很高，节奏和速度都很快。
A group of the world's best waterskiers will be going through their paces.
一队世界上最优秀的滑水运动员将一展身手。