tu·tin英t'juːtɪn美t'juːtɪnBNC¹⁰⁴⁵⁸⁴⁺⁶ 基本例句 羟基马桑毒素¹⁰⁰ The applicability against tutin was different as the instar of larvae of Mythimna separate Walker changed. the adaptability decreased as its instar increased. 不同龄期的粘虫幼虫对羟基马桑毒素的适应性也不相同,其适应能力随龄期的增大而减弱。 fabiao