词汇	radiogenic lead
释义	radiogenic lead 放射成因铅
随便看	triangular thermal noise triangular thread triangular-thread tri-angular thread triangular threaded triangular three-mirror ring cavity triangular tongue-and-groove joint triangular tooth triangular toothed shield herb triangular-toothed shield herb triangular tooth log-periodic antenna triangular topological network triangular tract triangular tract of Philippe Gombault triangular tract of Philippe-Gombault triangular trade triangular trade agreement triangular treaty triangular trihedral corner reflector triangular trihedral refelctor triangular truncation triangular truss triangular-truss triangular truss bridge triangular-truss bridge