formations

US /fɔ:'meɪʃnz/

UK /fɔ:'meɪʃnz/

B1 中級
n. pl.名詞 (複數)編隊
The scientific expedition discovered ancient rock formations in Tibet mountains

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走!帶外國朋友這樣玩台灣! (Outdoor Activities in Taiwan)

02:07走!帶外國朋友這樣玩台灣! (Outdoor Activities in Taiwan)