biplane
🇺🇸
/ˈbaɪpleɪn/
🇬🇧
/ˈbaɪpleɪn/
A type of airplane with two wings, one on top of the other.
The biplane soared through the sky, leaving a trail of smoke behind it.
双葉機が空を飛び、その後に煙の跡を残しました。