Question

acceleration n.加速度 Acceleration comes from the Latin word accelerationem, which means "a hastening." When you hasten, you hurry, so acceleration is a speeding-up. Maybe you are walking to an appointment and realize you will be late. You pick up your pace — that's acceleration. If the rain on a stormy day begins to come down faster, that too is acceleration. As you can see, acceleration isn't just for cars. ★☆☆☆☆ 2007.3

Accepted Answer

[əkselə'reiʃ(ə)n] Acceleration is the act of increasing speed. When you buy a sports car, you want one that has great acceleration, so it can go from zero to 60 miles an hour in no time. From the middle-class family perspective, much of this, understandably, looks far less like an opportunity to exercise more financial responsibility, and a good deal more like a frightening acceleration of the wholesale shift of financial risk onto their already overburdened shoulders. 1[N-UNCOUNT 不可数名词]加快；增速 The acceleration of a process or change is the fact that it is getting faster and faster.   [oft N of/in n]He has also called for an acceleration of political reforms.他同时呼吁加快政治改革的步伐。...the sharp acceleration in job losses.失业的急速增加2[N-UNCOUNT 不可数名词]（汽车等的）加速能力，加速幅度 Acceleration is the rate at which a car or other vehicle can increase its speed, often seen in terms of the time that it takes to reach a particular speed. Acceleration to 60 mph takes a mere 5.7 seconds.加速到时速60英里只需要5.7秒。3[N-UNCOUNT 不可数名词]加速度 Acceleration is the rate at which the speed of an object increases.   [TECHNICAL 术语]

英语单词	acceleration
英美音标	[əkselə'reiʃ(ə)n]
中文释义	n.加速度
vocab简明	Acceleration is the act of increasing speed. When you buy a sports car, you want one that has great acceleration, so it can go from zero to 60 miles an hour in no time.
vocab扩展	Acceleration comes from the Latin word accelerationem, which means "a hastening." When you hasten, you hurry, so acceleration is a speeding-up. Maybe you are walking to an appointment and realize you will be late. You pick up your pace — that's acceleration. If the rain on a stormy day begins to come down faster, that too is acceleration. As you can see, acceleration isn't just for cars.
真题原句	From the middle-class family perspective, much of this, understandably, looks far less like an opportunity to exercise more financial responsibility, and a good deal more like a frightening acceleration of the wholesale shift of financial risk onto their already overburdened shoulders.
柯林斯星级	★☆☆☆☆
柯林斯解释	1 [N-UNCOUNT 不可数名词]加快；增速 The acceleration of a process or change is the fact that it is getting faster and faster. [oft N of/in n] He has also called for an acceleration of political reforms. 他同时呼吁加快政治改革的步伐。 ...the sharp acceleration in job losses. 失业的急速增加 2 [N-UNCOUNT 不可数名词]（汽车等的）加速能力，加速幅度 Acceleration is the rate at which a car or other vehicle can increase its speed, often seen in terms of the time that it takes to reach a particular speed. Acceleration to 60 mph takes a mere 5.7 seconds. 加速到时速60英里只需要5.7秒。 3 [N-UNCOUNT 不可数名词]加速度 Acceleration is the rate at which the speed of an object increases. [TECHNICAL 术语]
来源	2007.3

Acceleration N Uncount 不可数名词 Speed Financial Rate Takes əkselə'Reiʃ(ə)N