adj.三倍的；三重的
adv.三倍地；三重地
详情解释
英英释义
"a claim for treble (or triple) damages"
"a threefold increase"
"a double (or dual) role for an actor"
"the office of a clergyman is twofold; public preaching and private influence"
"every episode has its double and treble meaning"
"our rent increased threefold in the past five years"
