B 開頭單詞
bark of elm tree [經(jīng)濟學]榆白皮
bark of chinese catalpa [經(jīng)濟學]梓白皮
bark mark 邊號
bark hausen jumps [材料科學]巴好生跳躍
bark gauge [機械工程]樹皮厚度計
bark for fuel [農(nóng)業(yè)科學]燃料樹皮
bark crusher [材料科學]樹皮壓碎機
bark coppice [農(nóng)業(yè)科學]剝皮林
bark cloth 樹皮布
bark chinese catalpa [醫(yī)藥科學]鋅白皮
bark brown [經(jīng)濟學]老樹皮色
bark breaker [經(jīng)濟學]樹皮碎裂機
bark box [經(jīng)濟學]樹皮盒
bark borer 蛀皮蟲
bark beetles 小蠹蟲
bark beetle attractant [化學]小蠹蟲引誘劑
bark beetle 樹皮甲蟲
bark at the moon 吠月；徒勞無功
bark at 狗朝著（對著）某人叫；對…狗吠