racetrack的复数形式为：racetracks...

tracks的音标：...

v.走原路( backtrack的过去式和过去分词 )，由原路返回，改变主意，取消诺言...

track record的音标：track record的英式发音音标为：[træk ri'kɔ:d]track record的美式发音音标为：[træk rɪ'kɚd]...

Police keep track of the kidnapper using electronic surveillance equipment.警方利用电子监视设备跟踪绑架者。With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Keep track of ta...

keep to the beaten track的音标：...

backtrack的第三人称单数（三单）为：backtracks...

backtrack的音标：backtrack的英式发音音标为：['bæktræk]backtrack的美式发音音标为：['bækˌtræk]...

n.跟踪v.跟踪( track的现在分词 )，跟踪摄影，留下（脏）足迹，追随（潮流等）...

Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Dozens of miles of r...

backtrack的一般过去时为：backtracked...

The side tracks off the tarred road were rutted and uneven.柏油路面两边的辅道上布满车辙，凹凸不平。On either side of the tracks the ground fell away sharply.跑道两侧都是很陡的斜坡。They stopped in their tracks and stared at him in amazement.他们突然停下，惊讶地盯...

tracksuits的音标：...

backtracks的音标：...

n.运动服，运动套装...

tracking的音标：tracking的英式发音音标为：['trækɪŋ]tracking的美式发音音标为：['trækɪŋ]...

track的一般过去时为：tracked...

She reached into the wardrobe and extracted another tracksuit.她伸手又从衣橱里取出一件运动服。She wore blue tracksuit bottoms.她穿了一件蓝色田径裤。I changed into a tracksuit.我换上一身运动装。...

They were decked out in tracksuits, seemingly to dissimulate their true function.他们都穿着田径服，似乎想掩饰他们的真实职能。For tracksuits you need material with plenty of stretch.做田径服需要用弹性强的料子....

He was determined to track down the cause of food spoilage.他决心查出食品腐烂的原因.Car manufacturers stamp a vehicle identification number at several places on new cars to help track down stolen vehicles.汽车制造商在新车的好几处地方打上车辆识别号码，以便于追...

track的复数形式为：tracks...

soundtrack的音标：soundtrack的英式发音音标为：['saʊndtræk]soundtrack的美式发音音标为：['saʊndˌtræk]...

n.跑道，赛马场，赛车场...

track record的复数形式为：track records...

v.跟踪( track的过去式和过去分词 )，跟踪摄影，留下（脏）足迹，追随（潮流等）...

beaten track的音标：beaten track的英式发音音标为：['bi:tn træk]beaten track的美式发音音标为：['bitn træk]...

v.走原路( backtrack的现在分词 )，由原路返回，改变主意，取消诺言...

racetrack的音标：racetrack的英式发音音标为：['reɪstræk]racetrack的美式发音音标为：['resˌtræk]...

自动跟踪装置...

track的第三人称单数（三单）为：tracks...