问题 firstly,secondly与first,second的区别

在写作中，经常出现 firstly, secondly 和 first, second 用来表示顺序，请问有何区别，怎么来不同场合下用他们？谢谢！

问题 every two与every second有区别吗

比如：He came every two days.=He came every second day. 他隔天来一次。此处的every two…与every second…用了等号，是不是说它们就没有区别？

问题 day 2 和 the second day 有区别吗

day 2 和 the second day 都是第二天的意思吗？有区别吗？

问题 step back for a second 是什么意思

请问：step back for a second 是什么意思？能用相关例句解释一下吗？

问题 six-tenths of second是什么意思

有人把 six-tenths of second 翻译成“0.6秒”，实在没看懂！求解，谢谢！

问题 first，second，third可以作状语吗

我在字典上查的first，second，third都有副词词性但是从fourth开始后面很少有副词词性了，这是不是表明只有这三个可以作状语，其余的不行呢？另外这些词不是一类吗，为什么只有前三个有副词词性呢？

问题 to that 1.5 miles per second 是什么语法关系

...f Earth’s, it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.这是新概念4 lesson35中的一句话，加粗部分中的that是作什么作用？我的理解是that作介词to宾语，后面的1.5 miles per second是that同位语。如果是这样的话...

问题 the moment/second这些名词为什么可以做连词引导时间状语从句呢

the moment/the second/the last time/the next time 这些名词为什么可以做连词引导时间状语从句呢？the moment/second是省略了that的定语从句吗？

问题 the next largest与the second larest的区别

the next largest 和 the second largest 都可表示“第二大的”，两者有区别吗？

问题 four second half minutes是几分钟？

问题 This is the first/second...time that...的变体

常常见到 This is the first/second……time that sb has done sth. 这是谁第一/二……次做某事。那么我们要表达“这是谁第一/二……次可以/愿意/可能/允许……做某事”该如何表达？

问题 ​He raised his second line all the way up to bed.

He raised his second line all the way up to bed.这句话怎么翻译？

问题 the next, the second, the 

...ome to the office and the last to leave. 但如果一个名词受到 the second, the third, the fourth…the next 等修饰呢？是不是也要后接不定式，因为 the second, the third, the fourth…the next 与 the first, the last 是“同类性质”的，对不对？

问题 a second stove burner 还是 the second stove burner

...he bread and put two slices into the egg mixture. Next, Jeff turned on the second stove burner to heat up the frying pan. Everything was going smoothly until Jeff started frying the bread. The pan was too hot and the bread turned black within seconds. Jenna threw the burnt piece into the sink and pu...

问题 It’s the second time…后的从句可用一般过去时吗（2016厦门中考题）

下面的句子是2016年厦门的中考真题：— It’s the second time I came to Xiamen. It _____ a lot.— Yes, it’s more and more beautiful. A. was changing        B. has changed         C. will change答案选 B，这容易看出来。但问题是：...