Russians have a deep love for their own language and carry large chunks of memorized poetry in their heads, while Italian politicians tend to elaborate speech that would seem old-fashioned to most English speakers.这句话的 memorized如何理解？
The airwaves are a shared medium to improve performance, you need to be spectrum efficient 802.11ac is all about optimization to do that. 请帮忙分析一下，逗号后的句子，结构上怎么断句？
the deficiency which I note in chief lies in the fact that what I had meant to be the main，while explicitly enough stated in the book, remains for every practical end indiscernible.
如何理解这里的main名词意思？
原句：Seeing as we both
enjoy hiking, why don't we tackle that new trail up in the mountains next
Saturday?翻译：既然我们都喜欢徒步,为什么不在下个星期六去山上那条新路线尝试一下呢？问题：1.中tackle是词典里哪个意思？2.既然in the mountains是后置...
... easy passing
and less homework. The cartoonist aims to highlight the idea that it is
important for a young undergraduate to choose a proper goal.There is no denying that most people prefer controllable things to
difficult ones. On the one hand, if straight-A students select an easy passing
course, ...
... he used to work in a small shop.
It was his job to repair bicycles and at that time he used to work fourteen
hours a day. He saved money for years and in 1958 he bought a small workshop of
his own. In his twenties Frank used to make spare parts for aeroplanes. At that
time he had two helpers. In a ...