Opac
[计] 公用在线查询系统
🗣️ 情景例句
Could I trouble you with something for a moment please?
请问可以麻烦你一下吗？
Let's stop here and continue in about 10 minutes.
我们暂停一下，10分钟后继续。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。