高射投影仪的英文：
overhead projector

overhead是什么意思：
n. 营运开支，普通费用
adj. 在头上的，高架的
adv. 在头顶上，在空中
  • The hawk is hovering overhead.
    鹰在头顶上盘旋。
  • That was the performance overhead of the profiler.
    这就是分析器的性能开销。
  • Overhead variances may be usefully considered as variable overhead variances and fixed overhead variances.
    我们可以把管理费用分为可变费用和固定费用两种。
  • We heard a jet plane zooming overhead.
    我们听见喷射机在头上嗡嗡作响。
  • Seagulls were flying overhead uttering their mocking cry.
    海鸥在头顶盘旋，发出嘲弄的呼叫。
projector是什么意思：
n. 放映机，幻灯机；投影仪；设计者；放映技师
  • Is that your footage, small projector?
    小放映师，是你拍的底片吗？
  • The projector temperature is above the critical limit. Please allow The projector to cool down by turning off the projector
    投影机温度高开限值，应关机让投影机冷却
  • They also gave demonstrations through the Zeiss projector.
    他们还用蔡司投影机进行了表演。
  • Ensure that the distance from the projector to the screen is at the minimum specified
    确认投影机至屏幕距离大于最低限值
  • If it's your projector, carry a spare bulb.
    如果用投影仪，要拿个备用的球茎。

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