您好，欢迎来到水晶石会员通关挑战，答题前请认真阅读活动说明。

Hello, welcome to crystal challenge, the answer before member clearance please read the activity indicating.

youdao

您好，欢迎来到水晶石会员通关挑战，答题前请认真阅读活动说明。

Hello, welcome to crystal challenge, the answer before member clearance please read the activity indicating.

youdao