词汇	碎石铺路
释义	碎石铺路〖土〗macadamized road
随便看	difficult to imitate difficult to machine job difficult-to-machine job difficult to machine material difficult-to-machine material difficult-to-machine materials Difficult-to-Machine Materials difficult-to-machining material difficulttomix compound difficult to mix compound difficult to obtain material difficult to park difficult to please difficult-to-predict difficult-to-process material Difficult to pronounce or comprehend difficult to raise funds difficult-to-reach Difficult to read or decipher difficult-to-recover reserves Difficult to refuse such kindness difficult to replace difficult-to-root species difficult-to-separation iron ores difficult-to-settle particle