为什么常见的猫尾草也叫梯牧草？
紫花苜蓿和梯牧草是加拿大出口的主要牧草。
Alfalfa and timothy hay are the main forages exported from Canada.
梯牧草草地牛毛轮作草场对于饲养奶牛的主要价值，就在于其适口性好。
Much of the value of the timothy/meadow fescue ley for milk production is attributable to its palatability.
作者报道了两例因梯牧草吸入导致肺部感染患者，使用改良的支气管镜成功地将梯牧草从气道中取出的病例。
The authors describe 2 cases of Timothy grass aspiration with established pulmonary infection that were successfully managed by bronchoscopic removal with subsequent improvement.
作者报道了两例因梯牧草吸入导致肺部感染患者，使用改良的支气管镜成功地将梯牧草从气道中取出的病例。
The authors describe 2 cases of Timothy grass aspiration with established pulmonary infection that were successfully managed by bronchoscopic removal with subsequent improvement.
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