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
And we'll also need some ladders
而且我们还需要一些梯子
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。