neck opening
常见例句
- The colon has been opened to reveal the presence of non-inflamed diverticula. Each has an opening to the colonic lumen through a narrow neck.
已剖开的结肠显示非炎症性憩室。每个憩室有一个窄的开口通向结肠腔。 - Since the reform and opening-up, China's urbanization had been experiencing the slow development, and it might be going into the bottle neck under the imbalance of urban and rural.
改革开放以来，我国的城市化发展缓慢，在城乡发展失衡的状况下改革进程步入瓶颈阶段。 返回 neck opening