This book makes a significant contribution to dietetics.
此书对营养学有很大贡献。
Suggest you buy this book dietetics teaching material, there is detailed introduction inside.
建议你买本书营养学教材，里面有具体的介绍。
He gave me a piece of advice on how to learn genetics.
他就如何学好遗传学给我提出了一条建议。
The study of psychology has recently been widely cross-fertilized by new discoveries in genetics.
心理学研究最近从遗传学的新发现中受益匪浅。
Smoking, rather than genetics, was the cause of his early demise.
导致他英年早逝的原因是吸烟而非遗传。