2025-10-05 21:46:54 浏览次

speculation是什么意思 英[ˌspekjuˈleɪʃn] 美[ˌspekjuˈleɪʃn] n. 沉思, 推测, 投机[经] 投机交易, 买空卖空n. an investment that is very risky but could yield great profitsspeculation的用法和双语例句1. S...