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We traveled through treeless wastes .

我们穿过了没有树木的荒地.

The land is flat and treeless and gives no cover to the troops .

该处地势平坦又没有树木，部队无处隐蔽。

A large , grassy , almost treeless plain , especially one in latin america .

大平原尤指南美洲广大、多草、几乎无树的平原。

E.g. the battlefield was so flat and treeless that the troops could not find any cover .

战场如此平坦且无树木，以致于军队找不到隐蔽处。

Dusty and treeless , the courtyard seemed like an unpleasant place to stand in line .

但这个院子里满是尘埃，而且没有树木，看上去不是令人愉快的排队等候的地方。