racing [ˈreisiŋ] n. 竞赛
* * *
A: She won a top prize for flying racing planes.
B: She didn't tell me that before.
A：她曾在飞行竞赛中获得头奖。
B：她之前没告诉过我。
* * *
per [pəː] prep. 每
Utah [ˈjuːtɑː] n. 犹他（美国州名）
horsepower [ˈhɔːsˌpauə] n. 马力
burst [bəːst] v. 爆裂
【扩】crack 使裂开
【搭】burst into 闯入
* * *
A: They've turned off the water while they mend a burst pipe.
B: Why don't they turn it on after that?
A：他们修理爆裂的水管时，关上了水门。
B：为什么过后他们不打开呢？
* * *
average [ˈævəridʒ] adj. 平均的
footstep [ˈfutstep] n. 足迹
noun [专属名词]赛马；竞赛 - The racing cars zapped past us.
verb [vi. 不及物动词]赛马（race 的 ing 形式）；竞赛 - He owns a string of racing stables.
adjective [原级]比赛的 - Williams is obsessive about motor racing.
preposition [其他介词]每，每一；按照，根据；<古>经；（纹章）依…的方向 - The price is $40 per person.
adverb [关系副词]每，每个 - Together we earn $60,000 per year.
noun [专属名词]美国犹他州 - He was confined in an internment camp in Utah. 他被监禁在犹他州的一个拘留营里。
noun [抽象名词]马力（功率单位） - Our horsepower was less than half that of the winner.
verb [vt. 及物动词]爆炸，爆裂，胀开；冲，闯，突然出现；猛然打开；充满，满怀（be bursting with）；决堤；突然活跃起来；突然发生，突然发作；分页，断纸 - The driver lost control when a tire burst.
noun [抽象名词]突发，迸发；爆裂，裂口；一阵短促的射击 - Then the applause burst out.
① vi. 爆炸，爆裂
- A tyre burst during the second run.
- The balloon burst.
② vt.& vi. 突然打开
- We burst the door open.
- While I was reading, the door burst open and John came in.
noun [专属名词]平均水平，一般标准；平均数，平均值；（海损的）平均分担；（按保单规定应付赔偿额的）降减，均减 - Take the average of those ratios and multiply by a hundred.
adjective [原级]普通的，平常的；不好不坏的；平均（数）的；中等的，适中的 - The average price of goods rose by just 2.2%.
verb [vt. 及物动词]平均为，平均达到；计算平均值；将…平均分配；（行情下跌时）买进更多的证券（或商品）以降低平均进价 - We averaged 42 miles per hour.
noun [专属名词]脚步，足迹；脚步声；一步的距离；路途，路线 - And I never stop my footstep.
