in red 和in a red 的区别?
in red: 穿红衣
Our room this year is furnished in red .
今年我们的房间以红色为基调。
The pwa was mired in red tape .
公共工程管理局陷于官样文章的困境之中。
The room was furnished in red plush .
房间里用红色天鹅绒作装饰。
He outlined the triangle in red .
他用红笔画出三角形。
in a red:
在一个红色的
Father Christmas dresses up in a red coat.