The sesquiplane (a monoplane with additional half-wings) was meant to be powered by a steam engine mounted inside the rounded body of the machine.是什么意思_The sesquiplane (a monoplane with additional half-wings) was meant to be powered by a steam engine mounted inside the rounded body of the machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句