1.You can't swim in this lake.
2.A:Can I speak aloud at library?
B:No,you can't.
3.We have to do our homework right now.
4.You can't feed the birds in the park.
5.You can park your bike in front of supermarket.
英语翻译1.你们不能在这个湖里游泳.2.A：我可以在图书馆里大声说话吗?B：不可以.3.我们必须现在就做家庭作业.4.在