名词
中文翻译：强化的松香
同义词：
['fortified gum', 'fortified resin例句：1. This type of rosin is often used in the production of musical instruments.（这种松香常用于制造乐器。）2. The ancient Chinese invented a technique to fortify their rosin.（古代中国人发明了一种技术来加固他们的松香。）']
例句：
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1. This type of rosin is often used in the production of musical instruments.
这种松香常用于制造乐器。
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2. The ancient Chinese invented a technique to fortify their rosin.
古代中国人发明了一种技术来加固他们的松香。
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3.The fortified rosin is much harder and more durable than regular rosin.
强化的松香比常规松香更硬、更耐用。