1·Leave a gap at the top and bottom so air can circulate.
在顶部和底部各留一点空隙，这样空气就可以流通了。
—— 《柯林斯英汉双解大词典》
2·The top and bottom line of each column on the page should align.
版面每栏的头一行和末一行要对齐。
—— 《牛津词典》
3·Concentrations of positively charged particles develop at the top and bottom of the cloud, but the middle region becomes negatively charged.
带正电荷的粒子集中在云团的顶部和底部，但中间区域形成的是带负电荷的粒子。
4·You want a hat that will balance the top and bottom out.
你需要一顶能平衡上部分与下部分的帽子。
5·A dot will appear at the top and bottom so that you can move it.
链接顶部和底部将显示一个点，表示您可以移动它。
6·Blurry areas at image top and bottom right are caused by cloud cover.
图片右上和左上角的朦胧则是由云层遮蔽所致。
7·In a basement, the top and bottom plates are often different lengths.
地下室的顶板和底板的长度往往不同。
8·Also notice the navigation controls at the top and bottom of the panel.
还请注意到面板顶部和底部的导航控件。
9·Top and bottom sizes can be mixed and matched, and many are adjustable.
上装与下装的各种尺寸可以混合搭配，而且许多是可以调节的。
10·Fold your top and bottom finished edges down where they loosely cover the skewers.
把顶端和底部包好边的布折起，盖住叉子。