Opercular fold
[医] 前柱褶
🧩 词语组成解析
a. [植]有蒴盖的\\nn. 鳃盖
fold
[fold]
vt. 折叠;合拢;抱住;笼罩;
vi. 折叠起来;彻底失败;
n. 折痕;信徒;羊栏;（起伏地的）凹处，洼;
🗣️ 情景例句
I did make a difference in town.
我确实在镇上发挥了影响力。
What track does the Metroliner leave from?
华纽特快从第几轨道开出？
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。