;
的;
音;
放大器;Their profits have trebled in the last two years.
最近两年他们的利润增加了三
。
的；最
部的；三层的；三重的；最部Their profits have trebled in the last two years.
最近两年他们的利润增加了三。
After uncovering of treble part we see valves underlaid by felt.
在揭露音部分以后我们看见毛毡支持的阀门。
It's value has trebled.
它的价值已增长到原来的三。
His salary is treble mine.
他的工资是我的三。
They exist in four sizes: treble, tenor, bass, and double bass (violone).
音、次中音、低音和双低音（低音提琴）。
Patricia metham, the headmistress, said the number of applicants from mainland China had trebled in the past three years.
该校的女校长帕特里夏·梅塔姆说，从中国大陆来的申请人的数量过去3年已经翻了三番。
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