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
His father has to sell the farm to pay back the bank.
他的父亲不得不把家声卖掉以还债给银行。
A contented mind is perpetual feast.
知足常乐。
I examined one of the pens closely.
我仔细察看了一枝钢笔，