1.超出...的范围,超过;胜过;伸长
1.伸出;展开;达到的范围
2.〈美〉济贫工作
1.the practice of providing help and advice to people in a community before they have to ask for it
1.The LRH machines achieve very high outreaches and leader lengths.
LRH机器具有非常大的伸长量及导向长度。