The first step in the manufacture of turpentine and rosin is collecting the gum from the trees.shallow wound made by chipping. Once a week a chip was cut through the bark above the box, each chip being cut directly above the other. http://www.kekenet.com/xiaoxue/201910/598351.shtml
英语作文：一切刚开始:本文由作文地带整理分享，希望各位网友喜欢。
"We are reading the first verse of the first chapter of a book whose pages are infinite…”
“我们正在读一本书的第一章第一行，这本书的页数是... http://www.joozone.com/gaokao/803478.html