酪氨酸-152的半胱氨酸突变体
cystein mutant of tyrosine-152 (Y152C
老子：从反讽的立场看
Reading Laozi:From a Perspective of Irony
老汤的配制
preparation of concentrated soup
老隧道的变形
Deformation of old tunnel
老师发起的直接互动
T-initiated Direct Interaction
老师发起的间接互动
T-initiated Indirect Interaction
老年期的行为模式
behavior patter in old age