动词
中文翻译：使变平
同义词：
['flatten', 'compress', 'soften例句：1. The pancake was so thin that it crumbled easily.（煎饼太薄了，很容易碎。）']
例句：
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1. The pancake was so thin that it crumbled easily.
煎饼太薄了，很容易碎。
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2. The ground was too soft to walk on without shoes.
地面太软，不穿鞋走不了。
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3. The dough was so soft that it could be stretched into a long rope.
面团太软了，可以拉成一条长绳子。