英式：[ˈneɪdɪər]美式：[ˈneɪdɪr]
n.最低点；[天]天底
用作名词 (n.)
The demand for this product will reach its nadir within two years. 对此产品的需求在两年内将达到最低点。
It felt as if we had traveled from nadir to zenith. 感觉上我们好像已从天底走到了天顶。
