Catgut
n. 弦乐器, 肠线\\n[医] 肠线
📖 牛津释义
catgut
n[U]
thin strong cord made from the dried intestines of animals and used for the strings of violins, tennis rackets, etc （小提琴、 网球拍等用的）肠线.
🏥 医学释义
（羊）肠线
🗣️ 情景例句
Hi. Michelle,
嗨， Michelle，
To know one's self is true progress.
能有自知之明就是真正的进步。
Why don't you attend an aerobic class?
你为什么不去参加一个有氧健身班呢？