External pericarditis
[医] 外层心包炎
🧩 词语组成解析
external
[ɪk'stɝnl]
adj. 外面的，外部的;表面上的;外用的;外国的;
n. 外部，外面;外观;外部情况;
exter出去+nal=al...的 → 出去的 →在外面的 →外部的
n. 心包炎\\n[医] 心包炎
🗣️ 情景例句
Looking around. Especially with a purchase of this kind.
到处看看， 特别是这一类买卖。
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。