达文波特氏染色的英文：
Davenport staining
n. 一种书桌,兼做卧床的长椅
staining是什么意思：
n. 污点；瑕疵
v. 污染，被污染；玷污，败坏（名声）；给···着色
There was a stain of ink left on the desk.
桌上留有墨水的污点。
soil or stain with a splashed liquid.
用溅出的液体弄脏或沾污。
To spot or stain, as with a discoloring substance.
玷污，弄赃因某种褪色物质弄脏、染污
True Blue will never stain
真金不怕火炼
Blood stained the blanket.
血沾污了毯子。