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n.龍骨船（一種河船），龍骨式游艇...

This two - person keelboat is known for its relative small cockpit and its flexible mast.這艘雙人龍骨船的特點(diǎn)在于它相對(duì)較小的船艙和靈活的桅桿....

keelboat的音標(biāo)：keelboat的英式發(fā)音音標(biāo)為：['ki:lb??t]keelboat的美式發(fā)音音標(biāo)為：['kil?bo?t]...