New Words：

exact [ig'zækt] adj. 精确的；准确的
exactly [ig'zæktli] adv. 精确地, 确切地

Sample Sentences：

What is the exact size of the room?
Tell me (the exact time) when the next train will arrive.

Recite the poem exactly as it reads.
The train arrived at exactly 8 o'clock.
‘You mean somebody in this room must be the murderer?’ ‘Exactly.’

retire [ri'taiə] v. 退休

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