1. 综合;结合;结合体
    A synthesis of different ideas or styles is a mixture or combination of these ideas or styles.

    e.g. His novels are a rich synthesis of Balkan history and mythology...
           他的小说融合了大量巴尔干半岛的历史和神话故事。
    e.g. Her synthesis of feminism and socialism ran counter to all other historical currents.
           她将女权主义和社会主义的结合与所有其他的历史潮流背道而驰。

2. (通过化学或生物反应进行的)合成
    The synthesis of a substance is the production of it by means of chemical or biological reactions.

    e.g. ...the genes that regulate the synthesis of these compounds...
           控制这些化合物合成的基因
    e.g. This kind of lighting encourages vitamin D synthesis in the skin.
           这种光照会促进皮肤中维生素 D 的合成。