夏夜,草叢中常常會(huì)傳來(lái)一陣陣蟲(chóng)鳴,時(shí)而激越短促,時(shí)而婉轉(zhuǎn)低吟,這就是蛐蛐的歌聲。蛐蛐也叫蟋蟀。它有兩對(duì)翅膀,前翅比較硬,用來(lái)發(fā)聲;后翅比較軟,用來(lái)飛翔。前右翅有個(gè)像銼的yaVZ+1U/Gm8362Sgmnd0Iaxow1SFFfFF9yjqZxVhlcM=短刺,左翅上有個(gè)像刀的硬棘。左右兩翅一張一合,互相摩擦,就能發(fā)出清脆的樂(lè)曲了。聽(tīng),它們美妙的歌聲