Pericardial sac
[医] 心包
🧩 词语组成解析
a. 心包的, 位于心脏周围的\\n[医] 心包的
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
You'll have to ask a whole lot nicer than that I'm afraid.
恐怕你应该要问得有礼貌一点吧。
Give me the rocket and boat, and I'll give you a sucker.
把那火箭和快艇给我，我就给你棒棒糖。
This was worse than a terrible secret'; this was a read skeleton! But George was unsympathetic.
这是比“骇人听闻的秘密”更加惊人的东西，这是一具真正的骷髅啊！但乔治却无动于衷。