exactly and correctly

精确地，确切地，准确地;

Temperature can be measured precisely.

温度可以精确地测量出来。

He arrived at precisely 4 o'clock.

他正好是四点钟到的。

It is difficult to know precisely how much impact the changes will have.

很难准确了解这些变化会造成多大影响。

What, precisely, does that mean?

那究竟是什么意思？

Lathes make wheels, or, more precisely , they make cylindrical objects.

车床可以车削轮子，更确切地说，可以车削圆柱形物体。

used to emphasize that a particular thing is completely true or correct

恰好，正是〔表示强调〕:

Women in these jobs are paid less precisely because most of the jobs are held by women rather than men.

从事这些工作的女性报酬之所以较低正是因为这些工作大部分是由女性而不是男性担任的。

She's precisely the kind of person we're looking for.

她正是我们要找的那种人。

[spoken formal] used to say that you agree completely with someone

对，确实如此:

'It needs to be dealt with now.' 'Precisely, before it gets any worse.'

“现在应该处理这件事了。”“确实如此，趁它还没有变得更糟。”