成都三诊的英语题You must be familiar to the environment you'll ne di
成都三诊的英语题
You must be familiar to the environment you'll ne diving in,Before hyou go on a dive,make sure you know what you are getting into.
解释一下哈（特别是最后那个what代表什么）!
不好意思，有错，前面依次是be familiar with,be diving in,you.
You must be familiar to the environment you'll ne diving in,Before hyou go on a dive,make sure you know what you are getting into.
解释一下哈（特别是最后那个what代表什么）!
不好意思，有错，前面依次是be familiar with,be diving in,you.
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你能帮帮他们吗