And we've done experiments that show that that's because the longer an ant stays outside, the more these simple hydrocarbons on its surface change, and so they come to smell different by doing different tasks.
実験でわかったのは アリが外にいる時間が長くなるほど 体の表面の単純な炭化水素が変わるので 仕事によって体の匂いも異なるのです