Unlike the many winter greens that have tough leaves and thus require a lengthy cooking time, those of escarole need little or no cooking.

与许多冬天的绿色植物不同，它们的叶子很硬，因此需要很长时间来烹饪，莴苣菜几乎不需要烹饪。

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If the leaves are tough and fibrous, remove the stem, roll the leaves up like a cigar and sliver them for quick cooking.

如果这些植物的叶太粗硬或多纤维，则将它们的梗去掉，然后卷成雪茄状，再摊成薄片状快速炒一下即可。

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With a view to tackling the tough problem in Yamamai cocoon reeling, a new reeling process is established by wet heat treatment prior to cocoon cooking and selection of new cocoon cooking chemicals.

针对天蚕茧解舒难的问题，根据人工饲育天蚕茧的特性，采用煮茧前热湿处理，并筛选出煮茧新药剂，确立了天蚕茧解舒新工艺。

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Number two,in looking at the cooking techniques, I've noticed we're tough on our food.

VOA: standard.2010.02.23

That is basically why it was invented to break down tough, gnarly cuts via long, slow cooking. (The smoke was just a byproduct of the crude fuel that happened to impart deliciousness.) The reason Texas barbecue is served on butcher paper is because it was popularized by butchers looking to move meat nobody wanted.

WSJ: The New Barbecue