1 exactly 正好；恰好: The time is 10.03 precisely. 时间正好是10点零3分。 [SYN] exactly 同义词为exactly

2 used to emphasize that sth is very true or obvious 确实；明确: It's precisely because I care about you that I got so angry when you stayed out late. 就因为关心你，所以我才对你很晚还不回家感到如此生气。

3 (spoken 口语) (used for agreeing with a statement) yes, that is right （用于表示同意）对，正是如此: ‘So, if we don't book now, we probably won't get a flight?’ ‘Precisely.’ “这么说，如果我们现在不预订机票，就很可能搭不上飞机？”“说得对。”