词汇：topical

adj. 论题的；时事问题的；[医]局部的；局部地区的

相关场景

Takeaway .Canker sores usually go away on their own. But certain mouth rinses and topical gels may relieve pain and help them go away faster.

口腔溃疡通常会自行消失。但某些漱口液和局部凝胶可能会缓解疼痛，并帮助它们更快地消失。

>> 16 Ways to Get Rid of Canker Sores 摆脱口疮