Heart valve
心（脏）瓣膜
🏥 医学释义
人工心瓣
🧩 词语组成解析
heart
[hɑrt]
n. 心，心脏;感情;要点;胸部;
vt. 鼓励;激励;
vi. 结心;
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
You are shorter than I am.
你比我矮。
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。