例句：
The library is all on one level.
圖書(shū)館全部在同一層樓上。
It is important not to let production levels fall.
重要的'是別讓產(chǎn)量滑落。
Water will always find its own level.
水總會(huì)自行流平。
The conflict has now reached a new level of intensity.
沖突現(xiàn)在已經(jīng)達(dá)到了新的激烈程度。