extern

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. A person affiliated with an institution in a lesser capacity, for example, as a non-resident or as a part-time affiliate.
  2. In the C and C++ programming languages, a variable that can be separately declared in many places, all of them referring to the same variable.
    — Finally, get rid of the two function declarations and two externs that we added at the top of TEFIL.CPP so that we could support file_open().
  3. A person affiliated with an institution in a lesser capacity, for example, as a non-resident or as a part-time affiliate.; A day-scholar.
  4. Outward form or part; exterior.
形容词 adj.
  1. External; outward; not inherent obsolete,rare
    — Heaven is my judge, not I for love and duty, / But seeming so, for my particular end, / For when my outward action doth demonstrate / The native act and figure of my heart / In complement extern, 'tis not long after / But I will wear my heart upon my sleeve / For daws to peck at.

词形变化

externs plural externs plural

词源

词源 1
From Middle French externe or its etymon Latin externus.
词源 2
Short for external; used as a keyword in these programming languages.
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