a small prominence in the middle of the level plain
平坦的原野中央的一块小小的凸地.
All about him the country was flat.
他周围的田野一片平坦。
The ocean bottom is made up of smooth plains.
洋底由平坦的平原构成。
To the savage and primitive mind the earth seems to be the whole flat floor of the universe.
在野蛮人和原始人看来，大地似乎是整个宇宙的一片平坦的底板。
path,esp through roughcountry
小路（尤指穿过不平坦的郊野的）
Find level ground for the picnic table.
找一处平坦的地面放野餐的餐桌.
Across wide stretches of flat, open prairie they could see lines of telegraph poles stalking across the fields toward the great city.
火车驶过开阔平坦的大草原，他们看见一排排的电线杆穿过田野通向芝加哥。
"field:a broad, level, open expanse of land."
"原野,旷野:一宽广的、水平的、开阔的土地."
A broad, level, open expanse of land.
原野，旷野一宽广的、水平的、开阔的土地
Because the ocean surface is so smooth,we sometimes tend to think that the ocean bottom is made up of smooth plains.
由于洋面很平坦，我们往往以为洋底也由平坦的平原构成。
a flat grassland in tropical or subtropical regions.
热带或亚热带地区的平坦草原。
We sometimes tend to think that the ocean bottom is made up of smooth plains.
我们往往误以为海底也由平坦的平原构成。
Extermination of the Buffalo and the Destiny of the Indians on the Great Plain
野牛的灭绝与大平原印第安人的命运
The mammoth buffalo roamed the plains.
庞大的野牛群出没在这些平原上。
a flat desk; acres of level farmland; a plane surface.
平坦的课桌；成亩的平坦农田；平坦的表面。
The land is flat, and the views are awesomely extensive.
这里地势平坦, 其视野之开阔令人敬畏。
The Principle and Design of Flat Gain Distributed Raman Fiber Amplifier;
增益平坦分布式光纤喇曼放大器的原理与设计
Because the ocean surface is so smooth, people may think that the ocean bottom is made up of smooth plains.
由于大洋表面很平坦, 人们可能会认为大洋的底部是由平坦的平原构成的。