| 单词 | main roof |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔transverse〕The main roof beams are given extra support by the smaller transverse beams.较小的横梁给屋顶的主梁额外的支撑力。剑桥高阶The main roof beams are given extra support by the smaller transverse beams.较小的横梁给屋顶的主梁额外的支撑力。剑桥国际 |
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