■ means

单复数同形。

• a means of storing power储存能量的办法
• means of production生产资料。

• client
• climate
• climate 与 weather
• close
• close
• close
• close 与 open
• close 与 shut
• cloth
• cloth, clothes, clothing, garment
• clothes
• clothing
• coffee
• coffee 与 café
• collapse
• collect
• college
• collide
• colombia
• columbia
• columbia 与 colombia
• come
• come
• come and
• come and get it