单词 | pericardium |
释义 | Word Frequency pericardium(ˌpɛrɪˈkɑːdɪəm) nounWord forms: plural -dia (-dɪə) the membranous sac enclosing the heart Derived forms pericardial (ˌperiˈcardial) or pericardiac (ˌperiˈcardiˌac) adjective Word origin C16: via New Latin from Greek perikardion, from peri- + kardia heart |
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