陡坡的英文：
drop-off

参考例句：

"But the players don't use skate, they use bobsled and hurtle down an icy, steeply banked, twisting course."
但运动员不是穿冰鞋，而是用雪橇，沿着陡坡的弯曲冰道速滑。

But the players don't use skate, they use bobsled and hurtle down an icy, steeply banked, twisting course.
但运动员不是穿冰鞋，而是用雪橇，沿着陡坡的弯曲冰道速滑。

"Steep descent, slow-down"
陡坡慢行

The sharp uprise stops the car from going ahead.
陡坡使车无法继续前进。

Lt's a steep descent from the top of the mountain.
这是从山顶下来的一道陡坡。

There was a sheer drop just outside my window.
陡坡就在我窗户外面。

A steep slope or cliff;an escarpment.
急坡，峭壁急斜坡或陡坡;悬崖峭壁

You have to shift down to climb steep hills.
汽车爬陡坡得换低挡。

Be careful! There is a steep hill ahead.
小心点！前面有个陡坡。

The old car labored as it climbed the steep hill
那辆旧车缓慢吃力地爬陡坡?

drop是什么意思：
v. 落下；降低；垂下；停止；终止；放弃；与…断绝联系
n. 落差；球状糖果；珠，滴；少量

A small amount of liquid;a drop.
少量液体；一滴

low-velocity drop
低速度空投

high velocity drop
高速度空投

Oh, shit! Drop dead!
浑蛋！该死！

The oil drops suspend in water.
油滴在水中悬浮着。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。