dōngtiān / rénmen / huì / gěi / shùgàn / shuā / shàng / túbáijì / yònglái / fángzhǐ / hàichóng / hé / dòngshāng

冬天人们会给树干刷上涂白剂，用来防止害虫和冻伤。

In winter, people brush tree trunks with white paint to prevent pests and frost damage.