bark of elm tree [經(jīng)濟(jì)學(xué)]榆白皮bark of chinese catalpa [經(jīng)濟(jì)學(xué)]梓白皮bark mark 邊號(hào)bark hausen jumps [材料科學(xué)]巴好生跳躍bark gauge [機(jī)械工程]樹皮厚度計(jì)bark for fuel [辳業(yè)科學(xué)]燃料樹皮bark dust bark crusher [材料科學(xué)]樹皮壓碎機(jī)bark coppice [辳業(yè)科學(xué)]剝皮林bark cloth 樹皮佈bark chinese catalpa [毉葯科學(xué)]鋅白皮bark brown [經(jīng)濟(jì)學(xué)]老樹皮色bark breaker [經(jīng)濟(jì)學(xué)]樹皮碎裂機(jī)bark box [經(jīng)濟(jì)學(xué)]樹皮盒bark borer 蛀皮蟲bark beetles 小蠹蟲bark beetle attractant [化學(xué)]小蠹蟲引誘劑bark beetle 樹皮甲蟲bark at the moon 吠月；徒勞無(wú)功bark at 狗朝著（對(duì)著）某人叫；對(duì)…狗吠