the ball is big 中的big充当什么成分啊

The big ball is lighter than the small one. 英译汉,The small ball is heavier than the big one. The earth is like a big round ball we live. what color is it中的color充当什么成分? what is the big deal?什么意思? The house is q big.填什么 下句中的the lack of it 充当什么成分 the pig is big The classroom is big The big ball is ————（light）than the ———one. The sun looks like a shiny p1ate, but it is real a big ball. 括号里填介词 The big pig is playing( )a ball