Beos
BeOS作业系统
🗣️ 情景例句
It's dangerous to leave your children along while you go shopping.
购物时，把你的孩子单独留在家里是挺危险的。
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。