Premature ventricular contraction
[医]心室早发性收缩
🧩 词语组成解析
a. 心室的, 膨胀的
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
I hope you will excuse me.
希望你能原谅我。
Do you often do composition after school?
你常常在放学后做作文吗？
He was so angry as to be unable to speak.
他气的连话都说不出来了。