A hesperidium (plural hesperidia) is a modified berry with a tough, leathery rind. The peel contains volatile oil glands in pits.
例句与用法
1.
A berry with a leathery rind in which the seeds are separated by segments , as in the citrus fruits , is called a hesperidium 具有革质外果皮，种子被若干小室分开的浆果如柑桔，叫做柑果。
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