at-grade crossings 铁道交叉口
at-grade signal controlled junction 交通灯控制地面路口 ; 地面行人过路处
at-grade 在同一水平面上 ; 平面的
at grade level 级水准
at grade pedestrian crossing 地面行人过路处
cross barrier at grade crossing 道囗栏木 ; 道口栏木
side barrier at grade crossing 道囗栅栏 ; 道口栅栏
warning sign at grade crossing 道囗警标 ; 道口警标
at-grade pedestrian crossing 地面行人过路处
For this course a pass in English at grade B is acceptable.
英语成绩B级就可以学这门课程。
One of the saddest facts about my country is that there are a significant number of fourth grade students who cannot read at grade level.
现在的美国一个比较令人悲伤的一个事实就是现在的美国有一些四年级的小学生他们没有办法达到他们那个年级的阅读能力。
"Regular school was not an option," says Bannon, "but I wanted to make sure she could go back at grade level if she quit gymnastics."
“普通学校不合适,”班农说,“但我想确保她退役后学习还能跟得上。”
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