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单词 oscillate
释义 os·cil·late
\ˈäsəˌlāt, usu -ād.+V\ verb
(-ed/-ing/-s)
Etymology: Latin oscillatus, past participle of oscillare to swing, from oscillum swing
intransitive verb
1.
 a. : to swing backward and forward like a pendulum : move to and fro : vibrate
  < the completed statue … was placed upon a turntable base that slowly oscillates, completing a 90-degree arc every hour — American Guide Series: Minnesota >
  < rocker arms on all other overhead valve engines oscillate on stationary tubular shafts — H.F.Blanchard & Ralph Ritchen >
 b. : to travel back and forth between two points
  < he oscillates regularly between his comfortable home … and his downtown office-laboratory — Gladwin Hill >
2.
 a. : to vary the state or condition : fluctuate
  < the snow line oscillates with the seasons, descending below ten thousand feet in winter — C.D.Forde >
  < diaries showing how he oscillated between wealth and poverty — E.V.Lucas >
 b. : to vary between opposing attitudes, beliefs, feelings, or theories : think or act in a fickle manner : shilly-shally
  < men have oscillated in their opinions — W.E.Swinton >
3. : to vibrate or vary above and below a mean value
 < bank rate oscillating between 2 1/2 percent and 6 1/2 percent — W.M.Dacey >
 < a polynomial which oscillates greatly between the observed values — J.G.Kemeny >
transitive verb
: to cause to oscillate
 < oscillate the crankshaft slightly to locate dead center — H.F.Blanchard & Ralph Ritchen >
Synonyms: see swing
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更新时间:2025/3/18 11:00:26