A：What can I do for you, young man?有什么需要吗，小伙子?

B：I need to rent three pairs of skates for the morning.我需要租三副今天早上用的滑冰鞋。

A：What sizes do you need?要什么码的?

B：One pair of 37, and two pairs of 21. One for me, and the other two for two kids.一双37码的，两双21码的。一双给我，另外两双是给两个小孩的。

A：Here you are. And here are three crash helmets.给你。还有这是三个防护帽。

B：Thanks. Well, those two kids are beginners. What should I do about their safety?谢谢。还有，那两个小孩是初学者，对于他们的安全问题我应该做些什么呢?

A：Well, there are a lot to do, but nothing to worry about. First, make sure they don't go far from the railings.这个，有很多事项需要注意，但也不用太担心。首先，要保证他们不要离护栏太远。

B：Oh, yeah, maybe I should ask them just to walk along the railings.哦，是啊，也许我该让他们只沿着护栏走。

A：That's a good idea. And remind them to be slow at the beginning, not to run into the railings.那是个好主意，另外还要提醒他们在开始的时候慢一点，别撞到护栏上。

B：OK. Anything else?好的。还有别的吗?

A：Never go to the center of the lake. The ice there is too thin to skate on.绝对不可以走到湖的中央。那里的冰太薄不能滑。

B：Got it. Thanks for reminding me.知道了。谢谢你提醒我.