It doesn’t matter how old you are. Twenty, 25, 30 who cares. All of us can lower our fitness age by staying right on top of it, taking good care of ourselves, especially physical activity.请问老师，红体字是何意思？it 指代什么？
请教老师们：As you go off to college ，exciting new worlds will open up to you.
（1）这里的off to 是不是双介词，也就是off family to college对吗？
（2）后句中open up to 中to可以改为for吗？为什么呢？
先谢谢老师们了！
Regularly appeal to both province and central commissariats,accepting as legal whichever decision is more beneficial. 这句话accepting 的部分要怎么理解，麻烦分析下成分，谢谢老师了
There's no such thing as bad weather, just bad clothing, Shaw said. At a minimum, buy a moisture-wicking base layer that will help keep you warm and dry. 这句话的just bad clothing是不是省略了there is?
If the Greek mathematicians had not applied themselves to the investigation of conic section, zealously and without the least suspicion that it might someday be useful, it would not have been possible centuries later to navigate far from shore. 1. 本句中的红色部分zealously and without t...
The gadget is constantly listening for spoken commands, but according to the company only records and stored snippets of conversation following a "wake word" — in the Echo's case, "Alexa."
请问老师，These example in the form of inscribed clay tablets that date to shortly before 3000BCE.因为date to是动词短语，后面不是应该加一个名词吗？ 请问老师这种just before 和shortly before加一个时间，这种结构怎么理解？我们常见的before之前都是...
The most obvious reason for optimism is the plunge in energy costs. Not only hasthe price of oil halved in the past six months, but natural gas is the cheapest it has been in a decade, bar a few panicked months after Lehman Brothers collapsed, when the world economy appeared to be imploding....