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
What's the long buildings?
那座长形的建筑是什么？
Sorry to keep you waiting.
抱歉让你久等了。
Excuse me. Is there a post office near here?
请问，附近有邮局吗？