例句：
The flight will take four hours.
這次航行要飛4個小時。
The flight of birds is often beautiful.
鳥飛翔時總是很美。
We walked up a flight of stairs.
我們上了一段樓梯。
歡迎來到瑞文網！
2021-10-01
例句：
The flight will take four hours.
這次航行要飛4個小時。
The flight of birds is often beautiful.
鳥飛翔時總是很美。
We walked up a flight of stairs.
我們上了一段樓梯。