??? 情景例句
I owe you a good steak dinner.
我欠你一頓牛排晚餐。
This is not an occasion for laguhter.
現(xiàn)在不是該笑的時(shí)候。
they aroused great interest at the time, they had important theoretical consequences,
這些觀察在當(dāng)時(shí)引起了人們極大的興趣，具有重要的理論意義，