one of the two spaces in the top part of the heart that receive blood from the veins and push it down into the ventricles (= lower spaces)心房(心脏的一部分,在心室的后上方, 左右各一,接受回心的血液并将其送入心室)
also pinna the part of the ear on the outside of the head耳廓
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net切換為繁體中文