zài / xiàn / xìng / dài / shù / kè / shàng / lǎo / shī / xiáng / xì / jiǎng / jiě / le / rú / hé / qiú / bàn / jǔ / zhèn在线性代数课上,老师详细讲解了如何求伴矩阵。In linear algebra class, the teacher explained in detail how to find the adjoint matrix.