scaffolding

n. 脚手架

Saxon, saxophone, saxophonist, say, say nothing about, say to oneself, say yes, say-so, SAYE, saying, sc, scab, scabbard, scabby, scabies, scabious, scabrous, scad, scads, scaffold, scalar, scalawag, scald, scalding, scale, scalene, scales, scallion, scallop (also scollop), scallywag, scalp, scalpel, scaly, scam, scamp, scamper, scampi, scan, scandal, scandalize, scandalise,