chemistry
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。
—— 柯林斯例句The Oxford Chemistry Primers aim to cover important topics in organic chemistry.
《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。
—— 柯林斯例句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。
—— 柯林斯例句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。
—— 柯林斯例句He is more highly educated, with a PhD in Chemistry.
他受过更高的教育,拥有化学博士学位。
—— 柯林斯例句