填空题
The plane climbed steeply after take-off, and then
1
off at 25 000 feet.
1、
【正确答案】
1、leveled
【答案解析】
解析: The plane climbed steeply(险峻地)after take-off(起飞) , and then leveled off at 25000 feet. 这架飞机急剧攀升起飞后,然后稳定在二五零零零英尺关闭level off趋向平稳;趋平
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