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[今日口语] She is in a quandary about which university to choose.

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second power

平方，二次幂

同：	[n.] square

Handheld PCs started up the second you hit the power switch, with no boot-up time
只要一按电源，手提式个人计算机就开始工作，无需启动时间收藏
The camera connection for the second camera do not provide power or pan,tilt and zoom control.
连着的另一台摄像机不带开关、扫视、俯仰、变焦和聚焦控制。收藏

名词解释：

the product of two equal terms
- nine is the second power of three
- gravity is inversely proportional to the square of the distance
[同] second power, square

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