semisynthetic + noun (attributive)
通常用于修饰化学或药物名词。
Semisynthetic antibiotics are widely used.
半合成抗生素被广泛使用。
通过化学修饰天然材料而合成的
通过化学修饰天然材料而合成的
synthesized by chemically modifying a natural material
The chemist developed a semisynthetic antibiotic that is more effective than the natural one.
这位化学家开发了一种半合成抗生素，比天然抗生素更有效。
用法提示：形容词，修饰名词 antibiotic，表示‘半合成的’
Many modern drugs are semisynthetic, derived from natural compounds but chemically modified.
许多现代药物是半合成的，源自天然化合物但经过化学修饰。
用法提示：形容词，作表语，描述主语 drugs 的性质
The fabric is semisynthetic, made from a blend of natural fibers and synthetic polymers.
这种织物是半合成的，由天然纤维和合成聚合物混合制成。
用法提示：形容词，作表语，说明 fabric 的材质类型
通常用于修饰化学或药物名词。
Semisynthetic antibiotics are widely used.
半合成抗生素被广泛使用。
This compound is semisynthetic.
这种化合物是半合成的。
grammar · medium
易错句子This is a half-synthetic drug.
正确表达This is a semisynthetic drug.
中文学习者可能会将'半合成'直译为'half-synthetic'，但英语中标准说法是'semisynthetic'（连写）。
grammar · medium
易错句子This fabric is a semisynthetic.
正确表达This fabric is semisynthetic.
中文中形容词可直接作表语且不需要冠词，学习者容易将'semisynthetic'误用作可数名词，添加了不必要的冠词'a'。
完全由人工制造，而半合成包含天然成分
天然存在未经人工改造，而半合成经过部分人工处理
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