甚至当音的音调时仍能够识别，而的婴儿能识别边界音。
They could identify the sound even when its pitch was changed, while none of the other babies could pick up the boundary vowel at all.
甚至当这个音的音调变化时他们仍能够识别出来，而其他的婴儿没有一个能识别这个边界音。
They could identify the sound even when its pitch was changed, while none of the other babies could pick up the boundary vowel at all.
品质更好的钢琴声音的边界非常分明，这不仅仅可以让调律的效果保持的更好，还可以让钢琴的声音调得更加精确。
Higher quality pianos have a distinct edge because they not only hold the tuning better, but can also be tuned more accurately.
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