rate 英[reɪt] 美[ret] n. 速度; 比率; 等级; (利息等的) 费率; vt. 估价; 值得; 责骂; 定级; vt. 认为,把…算作; [例句]The rate at which hair grows can be agonisingly slow头发生长的速度可能极其缓慢。[其他] 第三人称单数:rates 复数:rates 现在分词:rating 过去式:rated过去分词:rated