1、栋梁
... raɪ'nɑsərəs 'bɪtl] 独角仙 ... ridge beam 栋梁 ... river bed 河床，指河流两岸之间容水的部分 ...
2、屋脊梁木
... rideability 行驶性能 ridge beam 屋脊梁木 ridge board 屋脊板 ...
3、脊梁
... 山脊 ridge 脊梁 ridge beam 甲板中线 ridge line ...
4、屋脊梁
...没脊梁 spineless屋脊梁 ridge beam; ridge pole打断脊梁骨 break the backbone2 ...