bilateralKK [baɪˋlætɚəl] /baɪˈlætɚəl/发音形容词1双边的、双方的The two countries signed a bilateral trade agreement last month.两国上个月签署了双边贸易协定。2两侧的、双侧的医学The scan showed bilateral damage to both kidneys.扫描显示两侧肾脏都有损伤。3左右对称的生物Most animals, including humans, have bilateral symmetry.大多数动物包括人类都具有左右对称的构造。用这个字练口说→