三胚層動物 sān pēi céng dòng wù

DEFINITIONS

  1. triploblastic animals (having three germ layers)

CHARACTERS

三 sān
HSK 1
three
胚 pēi embryo; unfinished things
層 céng story, layer, floor, stratum
動 dòng move, happen; movement, action
物 wù
HSK 3
thing, substance, creature