三胚层动物 sān pēi céng dòng wù

DEFINITIONS

  1. triploblastic animals (having three germ layers)

CHARACTERS

三 sān
HSK 1
three
胚 pēi embryo; unfinished things
层 céng
HSK 3
story, layer, floor, stratum
动 dòng
HSK 2
move, happen; movement, action
物 wù
HSK 3
thing, substance, creature