1、on the tree 和in the tree的区别？2、999，999这个数应该怎么读？拜托各位啦！！
热心网友
in the tree 一般指的是树上本身长出来的东西,比如:果实,花on the tree 指的是外物,不属于树木本身的东西.比如:人,鸟Nine hundred ninety-nine thousand, nine hundred and ninety-nine
热心网友
on the tree指在树尖上；in the tree指树叶中eg.There is a bird on the tree.树尖上 There is a bird in the tree.树叶中999,999读作： Nine hundred ninety-nine thousand, nine hundred and ninety-nine
热心网友
Nine hundred ninety-nine thousand and nine hundred ninety-nine
热心网友
on the tree 估计是树上 是个笼统的概念而in the tree 是指在树丛中 在树叶中读 nine hundred and ninety nine thousand and nine hundred and ninety nine