at表示時間的一點;in表示一個時期;on表示特殊日子。如:
He goes to school at seven o’clock in the morning. 他早晨七點上學。
Can you finish the work in two days. 你能在兩天內(nèi)完成這個工作嗎?
Linda was born on the second of May. 琳達五月二日出生。
1. at后常接幾點幾分,天明,中午,日出,日落,開始等。如:
at five o’clock (五點),at down (黎明),at daybreak (天亮),at sunrise