但听到第二声的时候，就没那么吃惊了。
第二声“噼”声后，数学家还是一动不动。问他为什么不动。
When the mathematician didn't move after the second beep he was asked why.
所述多个第一声学驱动器和所述多个第二声学驱动器可相互交错。
The first plurality of acoustic drivers and the second plurality of acoustic drivers may be interleaved.
两个第三声的汉字相连时，第一个字的声调变为第二声，第二个字的声调不变。
When there are consecutive third tones, the tone of the first character becomes the second tone while the second character stays the third tone.
所述直线可以经过所述多个第一和多个第二声学驱动器的声学驱动器防尘罩的中心。
The straight line may pass through the centers of the dust covers of the acoustic drivers of the first and second plurality of acoustic drivers.
第二声部回声式的短句，仿佛歌声在山谷中回荡，营造出此起彼伏，一呼百应的气氛。
Second tone type of phrase echoes the Ministry, as if voices echoed in the valley, creating a come and go, pre-loaded atmosphere.
设置所述多个第一和多个第二声学驱动器，使所述第一平面与所述第二平面沿着直的交线相交。
The first plurality and the second plurality are arranged so that the first plane intersects with the second plane along a straight intersection line.
而搭配声调则对初、中、高三个水平的美国学生第三声声调变异均产生影响，当搭配第三声或第四声时，学生将第三声发正确的比例大于搭配第一声或第二声的组合。
And all the American students of three levels were progressively more accurate when matching the third or the fourth tone than matching the first or the second tone.
而搭配声调则对初、中、高三个水平的美国学生第三声声调变异均产生影响，当搭配第三声或第四声时，学生将第三声发正确的比例大于搭配第一声或第二声的组合。
And all the American students of three levels were progressively more accurate when matching the third or the fourth tone than matching the first or the second tone.
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