Revise en_US

[3gf8jv4dv]

Full port, please review.

cc @Glavo @burningtnt @zkitefly

[3gf8jv4dv]

@Glavo

#3349 (comment)

I would like to ask about the corresponding official translation in English.

In the main branch they are called Release, Beta & Nightly.

[Glavo]

I would like to ask about the corresponding official translation in English.

In the main branch they are called Release, Beta & Nightly.

英文翻译相对而言更自由一些，没有那么官方的命名，当然建议还是尽可能保持原样。

它们的简体中文名称已经在大量地方使用（比如 https://hmcl.huangyuhui.net/download/），没办法轻易调整，所以尽量不要去动。