free distance的用法和样例：
例句
- And we have left some afternoons free for you to see the sights of Qingdao between talks.
我们还空了几个下午，以便在洽谈的间隙时间让您到青岛的各处看一下。 - Different safety standards have different requirements for the clearance and creepage distance of the limits of different calculation methods and results.
摘要不同的安全标准对电气间隙和爬电距离有不同要求，其限值的求法和结果不尽相同。 - This distance is usually considered the separation between two atoms or molecules.
通常将此间距称为两个原子或分子之间的空隙。
