1、词性
fill 是动词
例：The cup is filled with water.（这个杯子里装满了水。）
full是形容词
例：The box is full of apples.（这个盒子里装满了苹果。）
2、词意
fill是“填充”的意思
The box is filled with cotton.（盒子被棉花充满了。）
full是“满了”的意思
例：The box is full of cotton.（盒子满是棉花。）
3、搭配
fill 常用结构为：fill...with,be filled with...
例：The Dutch developed a custom by which children put out shoes which Saint Nicholas would fill with gifts when he came visiting.
荷兰人有一套自己的风俗，孩子们会将鞋子放在外面，圣诞老人到来时便会在里面装满礼品。
full常用结构：be full of...
例：My sunlight, because I be full of to the future fine hope.
我阳光，因为我对未来充满美好的希望。
注：两者可以相互改写
be filled with = be full of 充满，装满
The bottle is filled with water.=The bottle is full of water.
瓶子里装满了水。