a long time ago: 很久以前
例句与用法:
1. I'm afraid I can't remember it was such a long time ago.
很抱歉, 我想不起来了--那是很久以前的事了.
2. A long time ago the tiny country of Switzerland was ruled by Austria.
很久以前，瑞士这个小国被奥地利统治。
3. A long, long time ago, cowboys were wanderers, driving their herd from place to place, looking for fresh grass and water.
在很久很久以前，牧童都是游牧者，赶着他们的牧群到处寻找青草和水源。
4. I forgave her a long time ago.
我早已原谅她了.
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