ex·ter·nal /ɛkˈstɝnḷ/
 外部,外面(a.)外部的,客觀的,表面的
 ex·ter·nal /ɛkˈstɝnḷ/ 形容詞
 外的,外部的
 external
 外部的
 external
 外 外部
 Ex·ter·nal, n. Something external or without; outward part; that which makes a show, rather than that which is intrinsic; visible form; -- usually in the plural.
    Adam was then no less glorious in his externals   --South.
    God in externals could not place content.   --Pope.
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 Ex·ter·nal a.
 1. Outward; exterior; relating to the outside, as of a body; being without; acting from without; -- opposed to internal; as, the external form or surface of a body.
 Of all external things, . . .
 She [Fancy] forms imaginations, aery shapes.   --Milton.
 2. Outside of or separate from ourselves; Metaph. separate from the perceiving mind.
 3. Outwardly perceptible; visible; physical or corporeal, as distinguished from mental or moral.
    Her virtues graced with external gifts.   --Shak.
 4. Not intrinsic nor essential; accidental; accompanying; superficial.
    The external circumstances are greatly different.   --Trench.
 5. Foreign; relating to or connected with foreign nations; as, external trade or commerce; the external relations of a state or kingdom.
 6. Anat. Away from the mesial plane of the body; lateral.
 External angles. Geom. See under Angle.
 external
      adj 1: happening or arising or located outside or beyond some
             limits or especially surface; "the external auditory
             canal"; "external pressures" [ant: internal]
      2: coming from the outside; "extraneous light in the camera
         spoiled the photograph"; "relying upon an extraneous
         income"; "disdaining outside pressure groups" [syn: extraneous,
          outside]
      3: from or between other countries; "external commerce";
         "international trade"; "developing nations need outside
         help" [syn: international, outside(a)]
      4: purely outward or superficial; "external composure"; "an
         external concern for reputation"- A.R.Gurney,Jr.
      n : outward features; "he enjoyed the solemn externals of
          religion"