flat passage造句

In the long flat passage between both passes, the two leaders were caught by the large group and together started the last climb.
When he tucked along narrow, relatively flat passages, so did she _ no more cautious snowplow, designed to hedge off disasters like awkward, face-losing skids off icy patches.
Conventional in its sonata form, this movement opens gently, reminiscent of the Beethoven Fourth Concerto, before the full orchestra enters in an A-flat passage that emphasizes the pastoral tone of the music.
It's difficult to find flat passage in a sentence. 用flat passage造句挺难的