门框的英文：
door-frame
doorcase
doorframe

参考例句：

The door is not true to the frame.
这门与门框的尺寸不一致。

Careful to make the doorjamBs plumB.
小心让门框保持垂直

The door fits flush into its frame.
这门与门框的大小正好合适。

You need to spike the doorframe.
你要用大钉把门框钉牢。

I cracked my head on the low door-frame.
我的头撞在低矮的门框上了.

Either of the two vertical pieces framing a doorway and supporting the lintel.
门框边框门框两边构成门口和支撑过梁的两竖直架中任一个

door是什么意思：
n. 门，门户；途径

The door was unclosed.
门被人打开了。

This door is manual.
这个门是要用手操作的。

Who is knocking the door || Who is knocking || Who is at the door || Who is knocking at the door?
谁在敲门

frame是什么意思：
n. 框架；骨架；体形；画面
v. 设计；建造；使…适合；陷害
adj. 有木架的，有构架的

In micrographics, a device for holding a frame, or frames, of microfilm.
在缩微图形技术中，用于固定一帧或多帧缩微胶片的装置。

frame a photograph, painting, etc
给照片、 画等镶框.

To frame a case against sb.
捏造案情诬陷某人

doorcase是什么意思：
n. 门框