The train snailed up the steep grade.

火车蜗牛一般地慢慢爬上陡坡.

《现代英汉综合大词典》

He jumped back to the bank and moved easily up the steep grade.

他跳回岸上,自如地走上陡峭的台阶.

英汉文学 - 廊桥遗梦

Going down a steep grade, the driver geared down ( our car ).

在下陡坡时, 驾驶员把汽车的速度放慢了.

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The steep grade of the mountain made it dangerous during bad weather.

山坡很陡,在恶劣天气时非常危险.

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The road had a steep grade.

那条路的坡度很陡.

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