track down什么意思解释？

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 down的音标：track down的英式发音音标为：[træk daun]track down的美式发音音标为：[træk daʊn]...

angola的音标：...

unwieldy的近义词/同义词有：cumbersome, awkward, unhandy, clumsy, unmanageable, bulky, unhandy, unmanageable, awkward, burdensome, bulky, clumsy, cumbersome, ponderous。adj.unwieldy的近义词（难处理的;笨拙的）：cumbersome, awkward, unhandy, clums...

basaloma的音标：basaloma的英式发音音标为：[beɪzæ'ləʊmə]basaloma的美式发音音标为：[beɪzæ'loʊmə]...

中脑...

“冷湿的”的英语可以翻译为：[医]clammy ...

The Azores are scenically stunning.亚速尔群岛的景色美得让人惊叹。The Azores will be in his palm.亚速尔群岛就成为他的囊中物了.From Lapland to the Azores, the single currency is a reality.从拉普兰到亚速而岛, 统一的货币已经成为了现实....

keratinose的音标：keratinose的英式发音音标为：['kerətɪnəʊz]keratinose的美式发音音标为：['kerətɪnoʊz]...

Heterodontidae的音标：...

force的近义词有：compel, force, constrain, oblige,energy, force, power, might, strength, vigour。下面这些动词均含"迫使"的含义：compel：指在法律、权力、力量或行动等的驱使下被迫而为。force：指用个人意志、权力、权威或暴力等，迫使他人改变看法或做本不愿做的事。constrain：侧重施加约束力或有约束作用的影响，也指环境对人强加的影响迫使人去做某...

grove的复数形式为：groves...

adv.收集成地，冷静地...

One in five undergraduates cannot write grammatically.有1/5的本科生写作不合语法规则。All undergraduates reading English attend a turtorial group each week.所有攻读英语的本科生每周上一次导师辅导课.This is a course for undergraduates.这是为本科生开的一门课....

The new technique has been used to identify the sex of foetuses.这一新技术已经被用来鉴别胎儿的性别。In other experiments, some of the lost foetuses were abnormal.在其他的实验中, 有一些不成功的胎儿是畸形的.In this way, Kuwabara has kept goat foetuses alive an...

Scorpio的音标：Scorpio的英式发音音标为：['skɔ:piəu]Scorpio的美式发音音标为：['skɔrpiˌo]...

adj.真实的，实际的，现行的，现在的...