So butterflies will mate end to end.

所以蝴蝶会首尾相连地交配。

Are they end to end, or tall like pancakes?

她们首尾相接或饼一样高？

The new bridge stretches longer than 14 Golden Gate Bridges lined up end to end.

这座新桥全程比14座金门大桥首尾相连还要长。

And at the beginning and end of the word: fluff.

fluff 这个单词首尾都有这个音。

And at the beginning and end of the word: clock.

clock 这个单词首尾都有这个音。

Don't do that, though. There's other reasons why you shouldn't be upside down.

不过，不要这样做。你不应该首尾颠倒还有其他原因。

This large craft is the size of a football field end to end.

这艘大型航天器首尾相接，有一个足球场那么大。

But where these cells join end-to-end you can see darker striations.

但在这些细胞首尾相连的地方你可以看到更暗的条纹。

And at the beginning and end of the word: church.

church 这个单词首尾都有这个音。

Also at the beginning and end of the word pop.

pop 这个单词首尾都有这个音。

And at the beginning and end of the word: tight.

tight 这个单词首尾都有这个音。

And at the beginning and end of the word: shush.

shush 这个单词首尾都有这一个音。

And at the beginning and end of the word: level.

level 的首尾都有这个音。

And at the beginning and end of the word: none.

none 的首尾都有这个音。

And at the beginning and end of the word: mime.

mime 的首尾都有这个音。

A word or phrase spelled exactly the same backwards or forwards.

首尾回环的词。

The sections are then transported to the site and laid end to end on a suitable foundation, such as sand.

然后将组装节段运输至场地并将节段以首尾相连的方式铺设在一个合适的地基上，比如沙地。

It is longer than four Airbus A380s placed end to end.

它比四架首尾相连的空客 A380 还要长。

Traffic was nose to tail for three miles.

【nose】车辆首尾相接堵了三英里长。

13.  ... A filament, of course, is a long, threadlike structure-cells joined end to end.

单纤维一种很长的线一样的结构，细胞首尾相连。