词汇	primary generation
释义	primary generation “原生代”
随便看	through transport by land and water through-transport by land and water through transport cargo through transport cargo, through cargo through trial and error through trip through trunk through trunk supervision through truss through-truss through truss bridge through truss composite bridge throught the life of plant throught the year throught ticket throught train throught type current transformator through tube through-tubing caliper through-tubing carbon-oxygen spectral logging through tubing crossover method through-tubing gamma ray tool through-tubing perforating through tubing perforation through-tubing tecnhnique