基本解释勾缝刀同根派生 pointing trowel相关词英汉例句Cement pointing is harder than soft brick or stone.在混凝土上勾缝比在软性砖或石头上更难。We have basically finished the construction of this house and just need to do the final step of pointing.这座房子基本已经盖好，就是差最后勾缝了。pointing trowel更多例句专业释义土木建筑工程勾缝用细长抹子经济学勾缝刀