名词
中文翻译：改良的松香
同义词：
['改良的松节油例句：1. The manufacturer has introduced a new version of the modified rosin', 'which is more environmentally friendly.（制造商推出了新版改良的松香，更加环保。）2. The workshop uses this modified rosin to produce high-quality woodworking tools.（工作坊使用这种改良的松香来生产高质量的木工工具。）']
例句：
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1. The manufacturer has introduced a new version of the modified rosin, which is more environmentally friendly.
制造商推出了新版改良的松香，更加环保。
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2. The workshop uses this modified rosin to produce high-quality woodworking tools.
工作坊使用这种改良的松香来生产高质量的木工工具。
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3. The engineer analyzed the properties of the modified rosin and found that it can effectively improve the bonding strength between wood and metal.
工程师分析了改良松香的性质，发现它可以有效地提高木材和金属之间的粘合强度。