steep grade

基本解釋

The train snailed up the steep grade.
火車蝸牛一般地慢慢爬上陡坡。
For one thing, Tim was at the top of the hill, which meant Ronnie would have to hike up the steep grade again.
其中一個理由是，因為蒂姆就在小山頂上，所以羅尼就必須再爬一次陡峭的山階。
Some looked like they were going to run into one another, but just in time they would duck into a hidden pass and come out on the other side, climbing a steep grade toward a forest of trees.
有些火車看上去就要和別的火車撞上了，但又及時閃進隱蔽的關(guān)口，從另一頭出來，接著爬上一個陡峭的山坡，向一座叢林駛?cè)ァ?/li>
權(quán)威例句
From my rocking chair, the back lawn extended far down a steep grade ending at a trout pond and smelled new-mown.
FORBES: Blackberry Farm, Walland, Tennessee
However, it is important that investors do take serious note of how steep the decline in ore grade has been.
FORBES: Silvercorp Back in Focus