石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.Litmus: Mixture of coloured organic compounds obtained from several species of lichens.地衣类植物生长速度慢,有好几年的寿命.其生长依赖于霉菌和海藻的共生.Lichens, which grow slowly and live for many years, result from fungi a...
At the appraising meeting, experts stated this method was superior to others.鉴定会上, 专家们指出这种方法优于其他方法.Gloria slid an appraising eye over the rest of the rack before reaching for the dress.格洛丽亚以审视的眼光向货架上其余的衣服扫了一遍，才伸手去拿那件连衣裙。...