求翻译：Arnica cream is an anti-inflammatory and pain-relieving topical cream prepared of an extract of the arnica plant. Like sunflower plant, the arnica montana plant belongs to the same family Asteraceae, and produces similar large yellow flowers that are known for their medicinal value.This European flowering plant, also known as mountaintop tobacco and leopard's bane, grows 2 feet tall on thick, hairy-looking stems. During early 1500's, Europeans used arnica cream to treat stomach problems and skin rashes, however, nowadays it is commonly used to relieve pain due to muscle sprains, bruises and strains.是什么意思？

待解决 悬赏分：1 - 离问题结束还有