您要查找的是不是：
- N素N element
- 素plain
- 低N素low level of N-nutrition
- N素用量Application rate of N
- 像素pixel
- n素元組n-prime tuple
- 腎上腺素adrenalin
- 護發(fā)素hair conditioner
- N素形態(tài)nitrogen form
- 霉素zymoid
- 生物素biotin
- 素的etic
- 精華素essence; quintessence
- 彈力素elastin
- 頭孢菌素cephalosporin
- 核素nuclide
- N素代謝nitrogen metabolism
- 阿霉素adriamycin
- 番茄紅素lycopene
- 凝集素agglutinin
