词典释义：
a repeated rhythmic phrase, typically one shouted or sung in unison by a crowd
（尤指众人齐喊或合唱的）反复而有节奏的短句。
a monotonous or repetitive song, typically an incantation or part of a ritual
（尤指念咒语时或宗教仪式中）单调的歌曲；反复的吟唱。
【乐】 （配唱无韵词的）短小乐段；圣歌；颂歌。
[mass noun]the style of music consisting of such passages
圣叹调
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Gregorian chant .格列高利圣叹调。
say or shout repeatedly in a sing-song tone
反复说；反复喊
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protesters were chanting slogans 抗议者们一遍遍高喊着口号。
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[with direct speech]
the crowd chanted ‘No violence! ’人群一遍遍高喊“反对暴力！”
sing or intone (a psalm, canticle, or sacred text)
唱（圣歌，颂歌）；吟咏（经文）。
"late Middle English （in the sense ‘sing’）： from Old French
