Opercular fold
[醫] 前柱褶
?? 詞語組成解析
a. [植]有蒴蓋的\\nn. 鰓蓋
fold
[fold]
vt. 折疊;合攏;抱住;籠罩;
vi. 折疊起來;徹底失敗;
n. 折痕;信徒;羊欄;（起伏地的）凹處，洼;
??? 情景例句
I never liked that umbrella stand.
我一直嫌那傘架礙事。
Everything is going according to schedule.
一切在按照預定計劃進行。
Something must be done about it.
必須得想個辦法。