Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
上坡
先理解核心含义，再看它在真实句子里的用法。
上坡
up a slope or grade
The trail rises upgrade from the parking lot to the lake.
这条小路从停车场到湖泊一路上坡。
注意：此处为副词用法，表示“向坡上/上坡”，与常见的名词/动词“升级”含义不同。
上坡或斜坡。
Up a slope or grade.
They pushed the bicycle upgrade, sweating in the afternoon sun.
他们顶着午后的太阳，把自行车推上坡。
The driveway runs upgrade, so rainwater never pools near the house.
车道是上坡的，所以雨水从不积在房子附近。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use upgrade naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.