dilate

dilate
[dʌɪˈleɪt, dɪ-]
verb
  1. make or become wider, larger, or more open
    使膨胀；扩大
    [no obj.]her eyes dilated with horror.
    她出于恐惧瞪大了眼睛。
    [with obj.]the woman dilated her nostrils.
    那个女子张了张鼻孔。
  2. [no obj. dilate on]speak or write at length on (a subject)
    详述；铺叙
派生
dilatable
adjective
dilation
noun
语源
  1. late Middle English: from Old French dilater, from Latin dilatare 'spread out', from di- 'apart' + latus 'wide'
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