游动滑车

travelling block;loose pulley

• weave
• weaver
• web
• website
• wedding
• wedge
• weed
• week
• weekday
• weekend
• weekly
• weep
• weigh
• weight
• weird
• welcome
• weld
• welfare
• well
• well-known
• welsh
• west
• western
• westerner
• westwards