gōngrén / bǎ / mádao / chānjìn / shíhuījiāng / lǐ / yònglái / zēngjiā / qiángtǐ / de / qiángdù

工人把麻刀掺进石灰浆里，用来增加墙体的强度。

The workers mix chopped hemp into the lime mortar to increase the strength of the wall.