20．天气预报可以保护人类及他们的家园.
The weather forecast can protect humans and their homeland.
21．一位著名的科学家今天下午将给我们讲话.
A famous scientist will give us a speech this afternoon.
20．天气预报可以保护人类及他们的家园.汉译英
20．天气预报可以保护人类及他们的家园.
The weather forecast can protect humans and their homeland.
21．一位著名的科学家今天下午将给我们讲话.
A famous scientist will give us a speech this afternoon.