阔别的英文：
long parted

Returned to my hometown after an absence of 40 years
阔别40年后回到我的故乡

But perhaps not for long.
但这并不会持续太长时间。

It will take a long time to read through this long story.
要读完这长篇故事要花相当长的时间。

propagation of long and very long wave in the ionosphere
电离层长波和超长波传播

The article is too long, it has to be cut.
这篇文章太长了，要删减。

This stuff wears long.
这种料子很经穿。

sustain the part of
恰当地扮演

An aliquot part.
整除数，约数能整除的部分。

The parts interlock.
各部分相互扣住。

They are part of evolution and evolution is a part of nature.
它们是发展的一部分，而发展又是自然的一部分。

It is made part of iron and part of wood.
它部分由铁部分由木而制成。