Mitro-aortic ring
[医] 僧帽主动脉口环
🧩 词语组成解析
a. 主动脉的\\n[医] 主动脉的
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
And if you ever need Dad or me to help you ...
如果你们的确需要我和爸爸的帮助的话 ……
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
Those who failed to get in need not have felt disappointed, as many of the artistes who should have appeared did not come.
那些没能进到场内的人没有必要感到失望，因为很多应该出场的专业演员都没有来。