n. a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range
n. used as a bond in masonry or for covering a wall
n. a bowl-shaped vessel in which substances can be ground and mixed with a pestle
v. plaster with mortar
n. 臼, 研钵, 灰泥
vt. 用灰泥涂抹, 用灰泥结合
1. The builder mixed the mortar to hold the bricks together.
建筑工人混合了砂浆以将砖块黏合在一起。
2. She used a mortar and pestle to grind the spices.
她用研钵和杵来研磨香料。
3. The old wall was made of stones held by mortar.
老墙是用砂浆黏合的石头建成的。