These forest products are called naval stores. In the United States their main source is the sap of the long-leaf pine and slash pines of the South.
这些森林产品被称之为松脂制品,在美国,他们的主要来源是长叶松树和南部的湿地松汁。
单词 | slash pines |
释义 |
slash pines
原声例句
美国小学英语6 These forest products are called naval stores. In the United States their main source is the sap of the long-leaf pine and slash pines of the South. 这些森林产品被称之为松脂制品,在美国,他们的主要来源是长叶松树和南部的湿地松汁。 |
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