薄泥浆

That’s what grouting mosaics is all about-mushing the gooey-ness into all the cracks.

用浆填塞马赛克作品的缝就开心地玩巴，把黏乎乎的浆抹进所有缝。

"For tilework, a very thin mortar called grout is used. Pointing is the process of finishing a masonry joint. "

使用的一种叫浆的很的砂浆。完成黏合可削尖。