chemicals造句
Organic food is unadulterated food produced without artificial
chemicals or pesticides.
有机食品是未使用人工化学制剂和杀虫剂的纯净食品。
Nitrates are
chemicals that occur naturally in water and the soil.
硝酸盐是水和土壤中自然存在的化学物质。
Protective gloves reduce the absorption of
chemicals through the skin.
防护手套可以减少皮肤对化学物质的吸收。