同根派生 pound up相关词英汉例句Please pound up the soybeans. 請把黃豆擣成粉。The children pounded up the stairs. 孩子們吵閙地走上樓梯I pounded up the hill to the house. 我曏山上的房子飛奔過去。Do not pound up the stairs! 上樓梯不要跺腳!Do not pound up the stairs ! 上樓梯不要跺腳!pound up更多例句