伸不到屋脊的半椽条的英文

half-principal

• 伸:    stretch; extend
• 不:    a block of wood
• 到:    39
• 屋脊:    ridge; rigging; kn ...
• 的:    4次方是 The fourth po ...
• 半:    half
• 椽:    rafter
• 条:    twig