Minute fragments of shoot apices are proverbially difficult to culture.微小的茎尖切段通常是难以培养的.This concept has now been replaced, for stem apices, by the tunica - corpus theory.此观点目前已经被原套原体学说所取代....
No detail was too small to escape her attention.再小的细节都逃不过她的眼睛。When your children misbehave tell them without making them feel small.孩子表现不佳时要让他们知道，但不能让他们自惭形秽。He insisted we stop at a small restaurant just outside of Atlan...
By bathing in unclean water, they expose themselves to contamination.在不干净的水中洗澡，他们可能会受到感染。They felt as though they had done something discreditable and unclean.他们觉得自己仿佛做了什么龌龊丢脸之事。But, if they seek to glorify God, let them...
There have always been slight oscillations in world temperature.全球气温一直在轻微波动。The sound caused by unstable oscillations on the line.由于线路上的不稳定振荡而引起的声音.This inhibiting of flow oscillations adds stability to the combustion ch...