Folded cavity
[電] 折疊空穴
?? 詞語組成解析
folded
[['f?uldid]]
v. 折疊；交叉合攏；失敗垮臺；把牲畜關在欄中（fold的過去分詞）
??? 情景例句
I have to turn off the lights,
我得關掉燈，
Are there reserved seats on the train?
車上有預訂座位嗎？
Glancing at it briefly, the dealer told him that it was worth $50.
古董商漫不經心看了一眼那幅畫，告訴弗蘭克那畫值50英鎊。