五倍子 (wǔ bèi zǐ) — 中国伝統医学や染色に使われる没食子（五倍子）
定義
五倍子 is a specific TCM/dyeing term: galls produced on sumac (盐肤木) leaves by aphids, rich in tannin. It's a specialized noun — used in pharmacy, dyeing, and chemistry rather than everyday speech.
noun
中国伝統医学や染色に使われる没食子（五倍子）
例文
- 五倍子。wǔ bèi zǐ Shì yì zhǒng zhòng yào de zhōng yào cái.Gallnut is an important Chinese medicinal material.
- 五倍子。Zhè zhǒng rǎn liào shì cóng wǔ bèi zǐ zhōng tí qǔ de.This dye is extracted from gallnuts.
- 五倍子。Tā mǎi le yì xiē wǔ bèi zǐ yòng lái zuò shí yàn.He bought some gallnuts to use in an experiment.
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