She leaned precariously out of the window.
她把身子探出窗外，真
。
,
,不稳定,靠不住
;;;顶上;;;;;;;;She leaned precariously out of the window.
她把身子探出窗外，真。
The phone was perched precariously on the window ledge.
电话放在窗台上，摇摇欲坠。
The hotel was perched precariously on a steep hillside.
旅馆
坐落在陡峭
山坡上。
He was ever a little beforehand and never lived precariously.
他收入一向稍多于开
, 
未过拮据生活。
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