Beck's triad
[医] 贝克氏三征(心脏受压时的三征
🧩 词语组成解析
triad
['traiæd]
n. 三个一组;三幅一组;三和音;
🗣️ 情景例句
I appreciate it very much.
我非常感激你的帮助。
Necessity knows no law.
铤而走险。
but it was not until 1869,
但直到1869年，