高度酸性的 meaning in English

highly acid

The food the stomach deliver to me is highly acid .
胃传送给我的食物是高度酸性的。
Pour in the bleaching solution at 20 ? c / 68 ? f , the bleach , being strongly acid , stops development almost instantly , and after about 30 seconds , the lid may be removed from the tank and the remainder of the process carried out in room lighting
倒入20 ? c / 68 ? f的漂白溶液，这漂白液，是高度酸性的，几乎立刻就停止显影，大约30秒钟之后，片罐的盖子可以移去，剩下的冲洗过程可以在室内光线下进行。