He is blanching linen in the sun.

他正在阳光下漂白亚麻布。

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Workers were blanching linen in the sun.

工人们正在把亚麻布放在阳光下晒白。

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After cleaning and sorting the first processing step is blanching.

在清理和分类之后，第一个加工步骤是漂白。

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After blanching, the roughly chopped cauliflower florets cook down in the onion-anchovy mixture.

WSJ: April Bloomfield's Orecchiette with Cauliflower and Anchovy | Slow Food Fast

At this point, many cooks recommend blanching the goose in boiling water for a minute then letting it dry in the refrigerator for a day or two.

NPR: How to Cook Your Goose

Blue Dog Democrats are blanching at the cost of the president's initiatives, fighting against the specter of higher energy taxes in the cap and trade debate, and coming out strongly against health care reform that includes a big role for government.

CNN: Commentary: Why Democrats give GOP hope