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单词
pointing
释义
pointing
NOUN
U
/ˈpɔɪntɪŋ/
the cement or mortar between the stones or bricks in a wall 勾嵌物；（墙壁中石头或砖头之间的）水泥，灰浆
a
the process of filling the spaces in a wall with cement or mortar （用水泥或灰浆）勾缝