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茂る, 繁る, 滋る, しげる
1. to grow thickly, to be in full leaf, to be rampant, to luxuriate, to be luxurious
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题;表示与另一选项(无论是否明确提及)形成对比;表示强调