这些锚或是输入按钮用自定义的图像作为背景的。

These are anchors or input buttons that have custom images assigned as their backgrounds.

youdao

我有一个输入按钮。

I have an input button.

youdao

连结输入按钮有一段时间了被按，直到被锁的键盘的标志出现。

Keep the ENTER button pressed down for some time until the symbol for KEYBOARD LOCKED appears.

youdao

And you can write your source code in it but to compile something you don't run a command like GCC and then the name of the file, you instead click a button.

你们可以在上面写源代码,如果要编译的话，不用像GCC这样要输入命令，文件名,只需点击按钮就可以了。

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