Provisional callus
[医] 暂时骨痂
🧩 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
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
He was caught, put in chains, and sent to America as a slave.
他被抓住了，带上镣铐，送到美国当奴隶。