steel pit
英
美
- 凹坑
双语例句
- The reason of the pit reduced the nucleation energy is analyzed.
分析和讨论了凹坑降低金刚石核形成能的原因。 - A rattlesnake, for instance, has one small pit on each side of its head, filled with thousands of receptor cells, which are actually microscopic-sized infrared sensors.
例如响尾蛇在头部两侧小凹坑里的器官充满数千个受体细胞，这实际上就是显微的红外线感受器。
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