这句话怎么解释?they tried to come up seventeen hours ago.

这句话怎么解释?they tried to come up seventeen hours ago. they have been trapped for seventeen hours. they tried to co 请问 i come to pick you up怎么解释 如何理解这句话："She must have tried to come back to them and got lo She sleeps for up to three hours 这句话对么?（注意 up to） 怎么理解这句话He tried to calm himself,forcing. They have been trapped for sevevteen hours.They tried to com I have been up since two hours ago.为什么这句话是对的?现在完成时不是不能跟过 英语翻译请帮忙把下面这段英语翻译成中文.scientists have tried to come up with bi They tried to fool you into coming after us翻译这句话 这句话怎么翻译呀?They do not set themselves up to lose. I wonder what they are up to? 这句话对么? 怎么翻译?、