lower fore topgallant sail
/ˈləʊə ˈfɔː ˈtɒpɡalənt ˈseɪl/
n
English · lower fore topgallant sail中文 · 前桅下上帆Español · juanete de proa bajoFrançais · petit perroquet fixe
意味：Square sail between the upper fore topgallant sail and the upper fore topsail.