madrier的翻译，读音
英/'mædriә/
释义：
军用厚橡木板
n. A thick plank, used for several mechanical purposes
n. A plank to receive the mouth of a petard, with which it is
applied to anything intended to be broken down.
n. A plank or beam used for supporting the earth in mines or
fortifications.
n. A thick plank, used for several mechanical purposes
n. A plank to receive the mouth of a petard, with which it is
applied to anything intended to be broken down.
n. A plank or beam used for supporting the earth in mines or
fortifications.