neck opening

常見(jiàn)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.
已剖開(kāi)的結(jié)腸顯示非炎癥性憩室。每個(gè)憩室有一個(gè)窄的開(kāi)口通向結(jié)腸腔。
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.
改革開(kāi)放以來(lái)，我國(guó)的城市化發(fā)展緩慢，在城鄉(xiāng)發(fā)展失衡的狀況下改革進(jìn)程步入瓶頸階段。