图7：轴位CT脑池造影显示硬膜下造影剂沿着中隔渗漏到扩张的右侧蝶窦腔内。
Figure 7: Axial image from CT cisternogram demonstrates intrathecal contrast leaking into the expanded right sphenoid sinus along the septum (orange arrow).
基因作物可以抵抗除草剂，这样农民就可以用除草剂除掉马利筋，而马利筋是黑脉金斑蝶最主要的食物来源。
S. midwest. The gene crops are designed to resist herbicides and that's allowed farmers to wipe out milkweed, which is the main food source for Monarches.
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