Tundra is flat land with very little vegetation.

苔原是平坦的土地，植被稀少。

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They called the first one Helluland, which means land of flat stones.

他们把第一个命名为 Helluland，意思是平石之地。

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Slowly the area became what visitors see today -- a dry land of high flat mesa tops and deep canyons formed through thousands of years by flowing rivers.

VOA: special.2010.07.05

Probably never that easy but really, you're just not going to lose, and the truth of the matter is that hoplites beat non-hoplites in all battles that are fought on flat land in battles that the Greeks fight in.

也许不是那么的容易,不过总会胜利的,事实上,在所有希腊人打的平原战中,方阵部队无一例外地击败了非方阵部队

耶鲁公开课 - 古希腊历史简介课程节选

The runway is built on a flat stretch of land on a hill, with a sheer drop on both sides.

VOA: standard.2010.05.23

At the Seinaejoki Civic Center, begun in 1958, where the land is flat, he designed both land and building together as a series of rising grassy platforms ascending to the elevated city hall.

WSJ: Finnish Master Alvar Aalto | By Ada Louise Huxtable

In many volcanic islands, the land adjacent to the beach is the only flat land available, hence its attractiveness for development.

UNESCO: Introduction

If the Magic Mouse is a piece of flat land, the Mini Whirl is, well, Everest.

ENGADGET: Smartfish Whirl Mini Notebook Laser Mouse review, now on sale for $50