Remove diseased, dying or dead wood, then any stems that cut across each other: this improves air flow and lessens disease.

修剪去病枝、枯死的木质部，然后是互交的枝：目的是为了改善通风，减少疾病。

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When the leaves are harvested they are steamed, dried and then further processed to remove the veins, stems and impurities.

采下茶叶后，将其蒸青、干燥，然后深加工，去掉叶脉、梗和杂质。

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Remove the main leaf stems before storage.

之前取出存储主要的叶茎。

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You remove the stems from the leaves and cook everything separately (enabling the stems to retain their glorious color), then recombine all the components for a visually stunning side dish.

NPR: Vegetables with Flair for the Thanksgiving Plate

Before you start cooking, remove the chard's stems and clean the chopped leaves by dunking them in two or three changes of water.

WSJ: Amaryll Schwertner's Farro With Braised Greens, Pistachios and Ricotta | Slow Food Fast