One of them wrote to us out of the blue several years later.数年后他们中的一人突然给我们写了一封信。Her son, who left her more than thirty years ago, came out of the blue.她三十多年前离开的儿子出乎意料地回来了.The whole thing was a bolt out of the blue.这件事,整个...
Any of various trees of the genera Eucalyptus, Liquidambar, or Nyssa that are sources of gum.各种各样产树胶的桉属植物或枫香树的任意一种.The theoretical study predicted the stability ranges of various lyotropic liquid crystalline phases.理论预测了...