by speaking rather than writing 口头的 Answers can be written or presented orally on tape. 答案可以写下来或口述录在磁带上。 These stories were passed down orally. 这些故事是口头流传下来的。
through or using the mouth; in a way that is connected with the mouth 用口的;口腔的;口服的 Not to be taken orally (= a warning on some medicines to show that they must not be swallowed). 不得口服。