帕尔默博士与其同事雅各布·歌辛博士在肯尼亚平原上注意到大象总是躲开一种金合欢树的物种时，发现了大象惧怕蚂蚁这一现象。
The discovery that elephants dislike ants came when Dr Palmer and colleague Dr Jacob Goheen noticed elephants avoiding a species of acacia tree in the Kenyan plains.
帕尔默博士与其同事雅各布·歌辛博士在肯尼亚平原上注意到大象总是躲开一种金合欢树的物种时，发现了大象惧怕蚂蚁这一现象。
The discovery that elephants dislike ants came when Dr Palmer and colleague Dr Jacob Goheen noticed elephants avoiding a species of acacia tree in the Kenyan plains.
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