She looked up some friends of bygone years.她去看望了一些过去的老朋友。relics of a bygone age以往年代的遗风...bygone generations.过去的几代人It's no use mewling over bygone glories of a probably mythical golden age of foreign corresponding.为逝...
Conclusion: Cyclophosphamide may causes immunosuppression through the induction of apoptosis of thymocyte.结论: 环磷酰胺的免疫抑制作用可能是通过诱导免疫细胞凋亡而产生的.Conclusion 1 . FK 506 + MMF and FK 506 + MMF + Pred both could provide effective ...
Helium is a very light gas.氦是一种非常轻的气体。A synthetic element produced in trace quantities by helium isotope bombardment of curium.锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.helium balloons for the children’s party儿童聚会用的氦气球Helium is a gas u...