rate/reɪt/

n. the number of times sth happens in a period of time

n. [C] 比率，率：the crime rate 犯罪率

◇heart rate 心率

◇[at a rate of sth] Dotcoms are founded at a rate of a dozen per day. 每天都有十几家网络公司成立。

音组-rate/-reɪt/ [见于动词]

accelerate; celebrate; concentrate; decorate; liberate; operate; separate (v.); tolerate