climb + upgrade
upgrade 作副词，表示“向坡上”，放在 climb 等表示移动的动词后。
The road climbs upgrade for two miles.
这条路向上坡延伸两英里。
上坡或斜坡。；往上
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.
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。
用法提示：upgrade 在此是副词，表示‘向上坡方向’，修饰动词 rises。
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。
用法提示：upgrade 是副词，说明推车的方向是上坡，修饰动词 pushed。
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。
用法提示：upgrade 作为副词修饰 runs，表明车道朝上坡延伸。
upgrade 作副词，表示“向坡上”，放在 climb 等表示移动的动词后。
The road climbs upgrade for two miles.
这条路向上坡延伸两英里。
（道路、铁路等）向上坡延伸
The track runs upgrade for two miles before the station.
这段轨道向上延伸两英里才到车站。
向上坡走；爬坡
We had to walk upgrade for an hour to reach the ridge.
我们不得不爬了一个小时的坡才到山脊。
向上坡方向延伸
The path goes upgrade from the bridge to the chapel.
小路从桥那里一直向上延伸到教堂。
Choose the next layer that will help you use upgrade with more confidence.
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.