beam-and-rail

基本解释

• 轨梁

同根派生

英汉例句

• She excels in vault,balance beam and uneven bars.
  她擅长平衡木和高低杠。
• Road and rail transport ought to work hand and glove.
  公路运输和铁路运输应该密切配合。
• The city has pledged to improve airports,highways,and rail lines.
  上海保证将改进其机场、高速公路和铁路设施。
• She excels in vault, balance beam and uneven bars.
  她擅长平衡木和高低杠。
• Here you see both truck and rail car-mounted mobile factories.
  你们可以看到安装在卡车和轨道车辆上的可移动工厂。