“使长满苔藓”可以翻译为 “cause to be covered with moss” 或者 “make something become overgrown with moss” 。
例如：
The damp and shady environment caused the old stone wall to be covered with moss.（潮湿阴暗的环境使那面古老的石墙长满了苔藓 。）
Years of neglect made the garden path become overgrown with moss.（多年的疏于打理使得花园小径长满了苔藓 。）