吃透英语课本,提升在校竞争力
n. 最低点
By 1932, the depression had reached its nadir.
到1932年,经济大萧条到了最严重的程度。
1945 to 1946 was the nadir of Truman's presidency.
1945至1946年是杜鲁门总统生涯的最低点。
n.最低点,最底点;[天]天底
hardpan