dà / lóu / wài / qiáng / xū / yào / pēn / shā / chǔ / lǐ / cái / néng / chóng / xīn / shuā / qī

大楼外墙需要喷砂处理才能重新刷漆。

The building's exterior walls need sandblasting treatment before they can be repainted.