dis·tend /dɪˈstɛnd/
 (vt.)(vi.)(使)擴大,(使)擴張
 dis·tend /dɪsˈtɛnd/ 及物動詞
 擴張,膨脹
 Dis·tend v. t. [imp. & p. p. Distended; p. pr. & vb. n. Distending.]
 1. To extend in some one direction; to lengthen out; to stretch. [R.]
 But say, what mean those colored streaks in heaven
 Distended as the brow of God appeased?   --Milton.
 2. To stretch out or extend in all directions; to dilate; to enlarge, as by elasticity of parts; to inflate so as to produce tension; to cause to swell; as, to distend a bladder, the stomach, etc.
    The warmth distends the chinks.   --Dryden.
 Syn: -- To dilate; expand; enlarge; swell; inflate.
 Dis·tend, v. i. To become expanded or inflated; to swell. “His heart distends with pride.”
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 distend
      v 1: become wider; "His pupils were dilated" [syn: dilate]
      2: cause to expand as it by internal pressure; "The gas
         distended the animal's body"
      3: swell from or as if from internal pressure; "The distended
         bellies of the starving cows"