栋的英文：
roof beam

参考例句：
  • 6/F,Bldg. 5
    5栋6层
  • The house is unsafe since the foundations were undermined by floods.
    这栋房子不安全,因为地基被洪水损坏了。
  • When several offer come in the house owner upgrade the price.
    当有几个人要买这栋房子时，房主提高了房价。
  • I still find a comment by Prime Minister in one of his speeches about one or two years ago rather heart-warming
    大概是一、二年前，吴作栋总理讲了一句话，我至今还感到温暖。
  • The building faces north
    这栋建筑物朝北
  • The house is burned out.
    这栋房子被烧掉了。
  • The days of the old school building are numbered.
    这栋老校舍用不了多久了。
  • The building had been trashed and its electricity supply cut.
    那栋楼遭到打砸，电被切断。
  • That beautiful mansion has changed hands several times.
    这栋漂亮的豪宅已经转手好几次了。
  • The night watchman makes the rounds of the building every hour.
    守夜人每小时对这栋楼查看一次。
roof是什么意思：
n. 屋顶；顶部；最高处；最高限度
v. 给...盖屋顶，覆盖
  • accessible roof
    可到达的屋顶；有信道的屋顶
  • The roof has a steep pitch.
    屋顶很陡。
  • The roof needs attention.
    屋顶需要修理了。
  • The pillars have to support the weight of the roof.
    这些柱子须承受屋顶的重量。
  • The roof was slated instead of thatched.
    那个屋顶不是用草而是用石板盖的。
beam是什么意思：
n. 横梁；光线；电波；笑容；平衡木
v. 照射；发送，播送；笑容满面；流露
  • a beam of pleasure
    一丝笑容.
  • a transverse beam
    横梁,2. 【数】横截的,n.1. 横向物;横轴;横断面,2. 【数】横截轴,3. 【解】横肌
  • The spans of the conjugate beam and actual beam must be equal.
    共轭梁和实际梁的跨径必须相似。
  • The spans of the conjugate beam and actual beam must be equal
    共轭梁和实际梁的跨径必须相似。
  • That transmitter was beamed at Russia.
    那台发射机曾用于对俄罗斯广播。

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