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柯林斯高阶英汉双解学习词典释义
  • SUFFIX
    (加在以 4, 5, 6, 7, 8, 9, 10, 11, 12 或 13 结尾的数字后构成序数词表示)“第…”
    You add -th to numbers written in figures and ending in 4, 5, 6, 7, 8, 9, 10, 11, 12, or 13 in order to form ordinal numbers. These numbers are pronounced as if they were written as words. For example, 7th is pronounced the same as 'seventh', and 5th is pronounced the same as 'fifth'.
    例句
    ...Thursday, 10th May, 1990. 1990年5月10日,星期四 ...between Broadway and 6th Avenue. 百老汇和第六大道之间
英英词典释义
  • Noun
    1. the fifth day of the week; the fourth working day
    2. a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
行业词典
  • 医学: thorium钍(90号元素);