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单词 bright field
释义
bright field
/ bra?t fi?ld /
  • 简明释义
  • 明场:明场是指在光学显微镜中使用正常透射光源的观察方式。在明场条件下,样品被照亮并通过物镜透射光线,形成明亮的图像。
  • 双语例句
  • 1
    It was a brave little house with a big, tumbledown barn and fields that sloped into forests beyond. The days were bright with snow, the nights forbiddingly dark.
    她要出国两个星期,我同意照顾她的动物;那是一个崭新的小房子,有一个摇摇欲坠的牲口棚和一个斜靠进森林里的牧场,白天在白雪的衬托下显得十分明亮,夜晚又黑的令人生畏。
  • 2
    “Farewell bright sun, ” she cried, stretching out her arm towards it; and then she walked a short distance from the house; for the corn had been cut, and only the dry stubble remained in the fields.
    “再会吧,您,光明的太阳!” 她说着,同时向空中伸出双手,并且向田鼠的屋子外面走了几步——因为现在大麦已经收割了,这儿只剩下干枯的茬子。
  • 3
    But if you're lucky enough to be in one of these top fields, your job future is still quite bright.
    但是如果你幸运地从事了下面说道的这些职业,没准儿2009年对你来说依然阳光明媚,职场上顺风顺水。
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更新时间:2025/3/23 1:07:20