好听: pleasant to hear...
实物: material object, concrete object, original object, in kind, object for practical use, definite thing, reality, matter (physics)...
面粉: flour...
二氧化碳: carbon dioxide CO2...
领导: lead, leading, to lead, leadership, leader...
常理: common sense, conventional reasoning and morals...
棍: stick, rod, truncheon...
