1. Triple gun-decks mounted sixty-four bronze cannon.
    3 层的火炮甲板上装着64门青铜加农炮,

2. Triple gun-decks mounted sixty-four bronze cannon.
    3层的火炮甲板上装着眼点4门青铜加农炮，

3. He received triple pay for his extra work.
    他因超额工作得到三倍的报酬。