Spices can come from tree bark like cinnamon, plant roots like ginger, flower buds like cloves.

香料可以由肉桂等植物的树干、姜等的根、四叶草等的花蕾制成。

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Over your French toast you may have sprinkled cinnamon and nutmeg, the powdered bark and nuts of tropical trees.

在你的法式烤面包上，也许你会洒上些肉桂粉和豆蔻粉，这些是热带树木的树皮和坚果磨成的。

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The dried bark of the cinnamon tree (which belongs to the same family as the bay and the avocado) is one of the world's oldest known spices.

肉桂树的干燥树皮(是月桂树和鳄梨树相同的科的成员)是世界的已知最早的香料之一。

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The main culprit in the cinnamon powder is actually derived from tree bark and contains cellulose, an undigestible fiber capable of producing a strong inflammatory response in lung tissue, leading to long term wheezing and a chronic cough, potentially placing patients at further risk for bouts of pneumonitis or even aspiration pneumonia.

FORBES: An ER Doctor's Perspective on "The Cinnamon Challenge": Don't Even Think of Doing It