| 单词 | structural component |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔elastin〕A protein similar to collagen that is the principal structural component of elastic fibers.弹性蛋白：与胶原白相似的一种蛋白质，是形成弹性纤维的主要成分美国传统〔footframe〕A structural component in a shoe or boot consisting of a stiff midsole that extends back around the heel, designed to provide stability for the foot.鞋撑：设计用来增益脚的稳定性，向后延伸包覆脚跟包含坚硬中底在内的鞋靴结构原件美国传统〔soffit〕The underside of a structural component, such as a beam, an arch, a staircase, or a cornice.拱腹：结构组成部分，如横梁、拱架、楼梯或飞檐的底面美国传统 |
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