概述：比利時的科學家研究水虎魚以得知關于它們制造的不尋常的聲音的信息。
Hints:
Eric Parmentier
University of Liege
校對：不睡漫漫
翻譯：superabit
組長：zpdslshhz
答疑：trans0829
Piranhas are known as dangerous, meat-eating fish. However that did not stop scientists in Belgium from working with them to learn more about the sounds these unusual fish make. There are more than 20 different species of piranhas in the wild. Two or three of them are a threat to humans. Among t…
眾所周知，水虎魚是很危險的肉食性魚類。然而比利時的科學家們并未因此躊躇不前，他們正試圖對水虎魚發(fā)出的獨特聲音做進一步的研究。 野生的水虎魚有二十多種，其中兩到三種對人類具有威脅。紅腹水虎魚就是其中一種。盡管科學家們知道紅腹水虎魚能夠發(fā)出聲音，但它們發(fā)出聲音的原因和場合仍舊是個謎。于是一組科學家著手…