Dissertating
vi. 讲演；论说；写论文
🗣️ 情景例句
And that's what I did.
我也这样做的。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
By 1820 the population of New York had grown to about 125,000, making it the largest city in the USA.
到1820年，纽约市的人口增长到12。5万人左右，使它成了当时美国最大的城市。