化肥: fertilizer...
使得: usable, workable, feasible, doable, to make, to cause...
伙: companion, partner, group, classifier for groups of people, to combine, together...
枢纽: hub (e.g. of traffic network), hinge, pivot, fulcrum...
起劲: vigorously, energetically, enthusiastically...
输送: to transport, to convey, to deliver...
哥哥: older brother...
外界: the outside world, external...
培训: to cultivate, to train, to groom, training...
流量: flow rate, rate, throughput, site traffic (Internet)...
