concealed button fly 暗钮门襟
fly button 钮扣 ; 纽扣
button fly front 前开门
Covered Button Fly 涵盖按钮飞
button through fly 明钮门襟
fly y button 钮扣
Button And Zipper Fly 钮扣和拉链飞
These and kindred questions need discussion, and need it urgently, in the few years left to us before somebody presses the button and the rockets begin to fly.
这些以及同类的问题需要讨论，而且迫切地需要讨论，就在某个人按下按钮火箭起飞之前给我们留下的这几年里讨论。
Another way is to have a button that adds new keyword fields on the fly to allow users to add as many keywords as they want.
另一种办法是让按钮随时增加新的关键字，允许用户根据需要添加任意多的关键字。
The DHTML object model lets you modify on the fly the structure of the page, but all the changes will be lost as soon as you refresh the view by hitting F5 or clicking the browser's refresh button.
DHTML对象模型使你能够随意修改网页的结构，但这一变化在按f 5刷新后全部复原。
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