1.A: Yes, if people do not properly protect our Mother Earth, she may be destroyed because of the ecological environment very bad.
是的，如果人们不好好保护我们的地球母亲，她可能会毁灭，因为现在的生态环境挺糟糕的。
2.This will allow you to properly protect the content and allowing you to synchronize the access.
这个时候你就得适当保护内容和同步访问。
3.She was afraid he could not properly protect themselves.
她害怕他不能恰当地保护自己。
4.On the other hand, expand their markets after a problem is how to properly protect their own interests.
另一方面，拓展市场后还要重视的一个问题是企业如何正确地保护自己的利益。