动词短语
中文翻译：直上
同义词：
['ascend', 'climb straight up', 'ascend directly例句：1. The mountain was too steep to be climbed straight up.（这座山太陡了，无法直接爬上去。）']
例句：
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1. The mountain was too steep to be climbed straight up.
这座山太陡了，无法直接爬上去。
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2.She decided to ascend the mountain early in the morning.
她决定早上起来爬山。
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3.The climb straight up the mountain was exhausting.
直接爬上山很费力。