"Tattoo inks today are permanent because of the fact that the dye molecules are too big for your body's immune system to take away," explained Anthony Lam, another team member.

另一团队成员安东尼·拉姆解释说：“如今的纹身墨水之所以是永久性的，就是因为其染料分子太大，导致人体免疫系统无法将其去除。”

youdao

Having an angiogram or a procedure with a large load of contrast dye is a risk factor for developing acute renal insufficiency, or in some cases permanent renal insufficiency.

血管造影或者血管介入手术中应用大量的造影剂是急性肾功能不全或某些患者出现永久性肾功能不全的一个危险因素。

youdao

Permanent color dye, Temporary hair color dye, semi-permanent color dye etc.

各种染发剂，包括永久性染发剂，暂时性染发剂，一次染发剂。

youdao

Despite the fact the world is green, covered with plants and trees, there is no one natural dye that makes green,a colorfast,permanent dark green."

VOA: special.2011.06.15