callus
英 [ˈkæləs]
美 [ˈkæləs]
n. 胼胝，老茧(手、足上的硬皮)
现在分词：callusing 过去式：callused 第三人称单数：calluses 过去分词：callused
COCA.33141
牛津词典
noun
- 胼胝，老茧（手、足上的硬皮）
an area of thick hard skin on a hand or foot, usually caused by rubbing
柯林斯词典
- 胼胝;老茧;硬结
Acallusis an unwanted area of thick skin, usually on the palms of your hands or the soles of your feet, which has been caused by something rubbing against it.
英英释义
noun
- (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid
- bony tissue formed during the healing of a fractured bone
- an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
verb
- form a callus or calluses
- His foot callused
- cause a callus to form on
- The long march had callused his feet
双语例句
- Study on the Sucrose Metabolism in Embryogenic Callus of Occurrence Process of Picea Mongolica
沙地云杉胚性愈伤组织发生过程中蔗糖代谢的研究 - Ultrastructures of callus, adventitious root and adventitious bud from flax
亚麻愈伤组织、不定根及不定芽的超微结构研究 - Callus Induction and Subculture System Establishment of Peony
牡丹愈伤组织诱导和继代培养体系的建立 - This experiment inspected the effect of four different growth regulators on callus induction of cotyledon, young leaf, petiole and Hypocotyl in Creeping Dichondra with the orthogonal design.
采用正交设计试验法，研究了四种不同生长调节剂对马蹄金子叶、片、柄和下胚轴愈伤组织诱导的影响。 - This paper reported that an in vitro embryogenic callus induction and plantlet regeneration system from immature zygotic embryos of hybrid larch was established.
以未成熟合子胚为外植体，建立杂种落叶松胚性愈伤组织诱导和植株再生体系。 - Study on Callus Induction and Plantlet Regeneration from Stem Explants of Two Potato Varieties
马铃薯品种茎段愈伤组织诱导和植株再生的研究 - Embryogenic callus could be directly obtained on the MSB sold medium with the combination of IBA and KT.
MSB培养基中添加IBA和BA也不能直接诱导获得胚性愈伤组织。 - Effects of Sorbitol, ABA and Dehydration Treatment on the Growth of the Callus in Maize
山梨醇、ABA和干燥处理对玉米愈伤组织生长的影响 - The buds differentiation rate of callus, which induced by the axillary buds, was higher comparatively.
愈伤组织的诱导分化以腋芽为外植体的芽分化率相对较高。 - Effect of sugar and nitrogen on the callus growth and anthocyanin accumulation in celosia cristata;
本试验研究了不同基本培养基对凤尾鸡冠花愈伤组织生长及花青素积累的影响。