because of moisture that was exhaled by tourists raising the humidity within them to levels so high as to make the salt from the stone crystallize
这句话是错的,但是我想讨论一点,就是to levels so high as to do 这种说法是正确的吗?OG里没有解释这一点
因为我们通常都说to so high levels as to do
求教了。谢谢。。 |