每日背诵第二期81
The noise in the shell increases along with the level of ambient noise in the surrounding area. The "ocean" is a lot louder in a noisy room where a multitude of sounds bounce around and mix together inside the shell. The level of noise we hear also depends on the angle and distance of the shell from the ear.
贝壳中的声音会随着周围杂音的音量变大而增强。因此“海洋”的声音在一个嘈杂的房间中听来会更大。因为房间里多重复杂的声音会在贝壳中来回激荡、相互混杂。我们听到声音的大小同时也取决于贝壳与耳朵的角度及距离。
(短文节选,本篇始于：贝壳传来海洋之音)
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