大反魂草 おおはんごんそう オオハンゴンソウ cutleaf coneflower (Rudbeckia laciniata); greenhead coneflower n uk Advanced ➥
大金鶏菊 おおきんけいぎく オオキンケイギク tickseed (Coreopsis lanceolata); tickweed; sand coreopsis; lanceleaf tickseed n uk Advanced ➥
四大文明 よんだいぶんめい the four great civilizations of the world (China, Babylon, India and Egypt as put forward by Chinese scholar Liang Qichao in 1900) n Advanced ➥