
o'clock 本身就是表示整点,不能用于其他,但是特别强调时用“exactly精确的、准确的,正好,刚好”表示three o'clock三点、三点整The train arrived at exactly 8 o'clock. 火车八点整到达。 It is exactly four o'clock, not one minute more nor one minute less. 正好是四点,一分钟不多,一分钟也不少。

o'clock 本身就是表示整点,不能用于其他,但是特别强调时用“exactly精确的、准确的,正好,刚好”表示three o'clock三点、三点整The train arrived at exactly 8 o'clock. 火车八点整到达。 It is exactly four o'clock, not one minute more nor one minute less. 正好是四点,一分钟不多,一分钟也不少。