名词
中文翻译：Unknown
同义词：
['cover', 'shelter', 'protect', 'conceal', 'screen']
例句：
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1. The trees provide ample shade for the picnickers.
这些树为野餐者提供了充足的阴凉。
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2. She shielded her face from the sun with a shawl.
她用披肩遮住了脸，以免被太阳晒伤。
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3. The sun's rays were blocked by the thick fog.
浓雾阻挡了阳光。