So we had boxes of stuff called rosin.

所以我们有一盒盒叫做东西。

We would step into the rosin, put a light coating on our shoes.

我们会走进，我们鞋子上涂上一层薄薄涂层。

Today the use of rosin and turpentine covers a much wider field than shipbuilding, but the name naval stores still remains.

今和脂使用不仅仅是建造船只，覆盖了很域，但脂制品这个名字依然存。

Whatever method is used, the sap is collected from the boxes or cups and taken to stills, where it is made into turpentine and rosin.

无论采用何种方法，树液都是从盒子或杯子中收集，然后放入蒸馏器，蒸馏器中制成节油和。

The tapping season lasts for about seven months. In America, collecting rosin from pine trees to make tar and pitch began as far back as 1600.

敲击季节约持续7个月，美国，从树中收集制成焦油和沥青最早始于1600年。

Two products of the forest, rosin and turpentine, were of service to man long before the making of paper from wood pulp and even before the lumber industry was started.

森林两种产品，和脂很早就被人类利用，早于用木浆造纸，甚至遭遇木材产业开始。