boottree /'bu:ttri:/ 📖 中文释义 n. 靴/鞋的楦头 📘 English Definition(英文释义) n. An instrument to stretch and widen the leg of a boot,consisting of two pieces, together shaped like a leg, between which,when put into the boot, a wedge is driven. ← boottopping B 字母词表 booty →