为何如此：一旦蚂蚁吃了他们，硼砂会破坏蚂蚁的消化系统以及蚂蚁的外部骨骼，结果是蚂蚁见阎王。
Why This Works: Once consumed, Borax damages both the ants \ \ \ 'digestive systems and their outer skeletons, resulting in death.
基于外部形态特征和内部骨骼特征对鲤科鲤属中鲤亚属进行了分支系统学分析。
Phylogeny of the cyprinid subgenus Cyprinus (Mesocyprinus ) is elucidated based on both external and osteological features.
对中国沿海常见蓝子鱼科鱼类的外部形态、呼吸器官、感觉器官、消化器官、骨骼系统等形态特征进行了比较研究。
The study was focused on the comparison of the morphological characters, including the body shapes, respiratory and sense organs, digestive system and osteological feathers of Chinese siganids.
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