back field
- （橄榄球）后场：橄榄球比赛中，位于阵线后方一段距离的球员：一支防守后场强大的球队。
- （足球、曲棍球等）后场：足球、曲棍球等比赛中，主要负责防守的球员。
柯林斯英汉双解大词典
backfield /ˈbækˌfiːld/
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1.
N the quarterback and running backs in a team 守卫队员 [American football]
双语例句原声例句权威例句
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The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
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I just tell them it's not my area, and promise to contact one of our people from that field and e-mail them back.
我只是告诉他们这不是我的业务范围，并保证联系我们那个领域的人，给他们回邮件。
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A high wall separated our back yard from the playing field.
我们的后院和运动场之间隔着一堵高墙。
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And you can see this expanding rings of activity of stimulating, Cause a pattern of activities that move forward from the back of the brain to the front of the brain, in a very regular pattern which we call a visual field map.
眼睛在前面，指向这个红点，大家看到，刺激活动不断扩大的环路,引起一个活动的模式，从大脑的后不向前部移动，这一模式十分规律，我们可以称其为视觉分布图。
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