Heart-sac
[医] 心包
🧩 词语组成解析
heart
[hɑrt]
n. 心，心脏;感情;要点;胸部;
vt. 鼓励;激励;
vi. 结心;
sac
[sæk]
n. （动植物组织中的）囊，液囊;
abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。;
🗣️ 情景例句
and work begins at eight in the morning for me.
早晨八点我就得开始工作。
He that boasts of his own knowledge proclaims ignorance.
夸耀知识实乃无知。
Quick, turn the gas off. Cover the pan. Be careful!
快，把煤气关上。盖上锅。小心！