原级：thicket
1. The concept of the patent pool came into being as a way to resolve " patent thickets " possible violations of patents in complex technologies.
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2. Xue stands regally and fearlessly among the thickets of bamboo, supremely confident of her own abilities as poet and government official.
3. Women who once plucked zealously are hoping that the thin brown lines on their foreheads bloom into thickets.