Fibers. korff's
[医] 科尔夫氏纤维, 生牙质纤维
🗣️ 情景例句
You know we'd all miss you.
你知道我们都会思念 。
I meet the boy whose aunt is a secretary.
我遇到那个男孩的姑妈是秘书。
He made the first telephone.
他发明了第一部电话。