Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Too much reliance is placed on antacids.人们过分依赖抗酸剂.Aluminum - containing antacids bind phosphate, mak...
Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.抗酸剂是碱性的，通过中和胃容物中的酸来减轻疼痛。Aluminum - containing antacids bind phosphate, making it unresorbable by the gut.含有铝的抗酸剂和磷酸盐结合在一起, 使...
They have been bartering wheat for cotton and timber.他们一直用小麦交换棉花和木材。Parliament would be touchy about bartering British soil for ships.用英国国土换取舰只,议会感到为难.Both have separate systems of credits that make bartering easier.他们具有...
We are aware of the potential problems and have taken every precaution.我们已意识到潜在的问题，并采取了全面的预防措施。I took the precaution of clearing out my desk before I left.我临走时特地事先把办公桌清理了一下。I took the precaution of locking money in the s...
孩子们正在小土墩上玩.The children are playing on the mound.鼓励他爬过有些松土的小土墩或是树墩.Encouage him to climb over a little mound of dirt or log.他们堆了些小土墩来隐藏.They built small mounds to hide behind....