flap

US /flæp/

UK /flæp/

B2 中高級英檢高級
n. (u.)不可數名詞拍打聲
I can hear the flap of the flag as it flies in the air
v.t./i.動詞 (及物/不及物)使(上下;前後地)拍動
If you flap the rug outside it will knock out the dirt
n.名詞(附於某物的)片狀下垂物
The tent was very tall and made of animal skin with a large flap for the door

影片字幕

未來十大能源 (Top 10 Energy Sources of the Future)

13:12未來十大能源 (Top 10 Energy Sources of the Future)