single-spar mast的意思|示意
美 / /
英 / /
single-spar桅杆
single-spar mast的网络常见释义
独木下桅 ... 独木难支 one log cannot prop up a tottering building.; it is difficult for a person to ... 独木下桅 single-spar mast 独木舟，皮艇，划子 canoe ...