红土网球场很滑，他不能自如地移动。The clay court was slippery and he was unable to move freely.他是红土场上的专家，曾5次在温布尔登夺冠。He was a clay-court specialist who won Wimbledon five times.红土缺乏有机物质.Red soil lacks organic matter....

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“红土”的拼音为：hóng tǔ...