"hardened skin," 1560s, from Latin callus, variant of callum "hard skin," related to callere "be hard," from PIE root *kal- (3) "hard" (cognates: Sanskrit kalika "bud," Old Irish calath "hard," Old Church Slavonic kaliti "to cool, harden").
权威例句
1. I walked to him and took his outstretched hand which was rough with callus.
我走向他,握起他那长满老茧的手。
2. PP 333 promote callus induction of ttiree kinds of varieties except Dixie Green.
PP333除了对迪斯绿有抑制作用外,对其它3种高羊茅的愈伤诱导都起促进作用.
3. P 333 promoted callus induction of three cultivars other than Dixie Green.
PP333仅对迪斯绿有抑制作用,而对其它3个品种起一定的促进作用.
4. Callus bone mineral density increased continuously in normal beagle fracture healing models.
2周时骨折端骨密度达到正常侧水平.
5. Today, I crawl out the fully defeated wound callus.