插入物的用法和样例：
例句
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衬料一种三角形的插入物，在衣服的缝合处，为加固或加大衣服而用
A triangular insert, as in the seam of a garment, for added strength or expansion. -
折页折叠起来的插入物或部分，比如尺寸超过了一般的书页尺寸的画页
A folded insert or section, as of a cover, whose full size exceeds that of the regular page.
