Central callus
[医] 中央骨痂, 骨髓骨痂
🧩 词语组成解析
callus
['kæləs]
n. 老茧，假骨质;<植>愈合组织;
vi. 结硬皮，生老茧，结痂;
vt. 使生茧（或变硬），使（伤口等）结痂;
🗣️ 情景例句
I took him to Philip's office yesterday for a checkup.
我昨天带他到Philip的办公室去做检查。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
Winter lasts from November to January and is very cold.
冬天11月持续到到1月，