单词 prewarn 释义 prewarn, v. rare.|priwn|[pre- A. 1.]trans. a. To give warning of (an event) beforehand. b. To warn (a person) beforehand; to forewarn. Hence prewarning vbl. n.1603H. Crosse Vertues Commw. (1878) 31 Deseruing either prewarning in the beg...