bilateralKK [baɪˋlætɚəl] /baɪˈlætɚəl/形容詞1雙邊的、雙方的The two countries signed a bilateral trade agreement last month.兩國上個月簽署了雙邊貿易協定。2兩側的、雙側的醫學The scan showed bilateral damage to both kidneys.掃描顯示兩側腎臟都有損傷。3左右對稱的生物Most animals, including humans, have bilateral symmetry.大多數動物包括人類都具有左右對稱的構造。