第二部分 from edible to lemon extract edible adj. 适合食用的Are these berries edible, or are they poisonous? 这些草莓可以吃,还是有毒?Element n. 少量,微量There is an element of truth in what you say. 你的话有些真实性。elimination n. 淘汰, 排除; 排泄, 消去entrusted inspection 委托检验