屋梁

• beam

例句

1. 雨水使屋梁腐朽了。
   The rain has rotted the roof beams.
2. 这幢老房子朝花园倾斜，这是因为年代久远，屋梁开裂的缘故。
   The old house slants towards the garden, because its beams are cracked with age.