[ 复数 trebles 第三人称单数 trebles 现在分词 trebling 过去式 trebled 过去分词 trebled ]
a choir of trebles 最高音合唱
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同义词： soprano
同义词： triple
"the boy still had a fine treble voice"; "the treble clef"
同义词： soprano
"a claim for treble (or triple) damages"
同义词： threefold three-fold triple
"a treble row of red beads"
"every episode has its double and treble meaning"
以上来源于: WordNet
V-T/V-I If something trebles or if you treble it, it becomes three times greater in number or amount than it was. 使增加两倍; 增加两倍 [英国英语]
They will have to pay much more when rents treble in January.
房租1月份时将增加两倍，他们得付多得多的钱。
PREDET If one thing is treble the size or amount of another thing, it is three times greater in size or amount. 3倍的 [英国英语] [正式]
The mine reportedly had an accident rate treble the national average.
据报道，那个矿的事故发生率是全国平均水平的三倍。
N-COUNT On a stereo system or radio, the treble is the ability to reproduce the higher musical notes. The treble is also the knob which controls this. (立体声音响或收音机的) 高音; 高音调节旋钮
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