noun🔗Share単孔類A mammal that lays eggs and has a single urogenital and digestive orifice. Only the echidnas and platypuses are included in this group"While most mammals give birth to live young, the monotreme is unique because it lays eggs, like the platypus found in Australia. "ほとんどの哺乳類は生きた子供を産むのに対し、単孔類はオーストラリアで見られるカモノハシのように卵を産むという点でユニークです。animalbiologyorganismnaturephysiologyChat with AIVocabulary GamePractice Reading
adjective🔗Share単一のトレマまたは開口部を持つ(of a pollen grain) Having a single trema, or aperture."The botanist noted the pollen grain's monotreme structure under the microscope, making it easily identifiable. "植物学者は、顕微鏡下で花粉粒の単一のトレマ構造を観察し、容易に識別できるようにした。biologyplantChat with AIVocabulary GamePractice Reading
