thrice

柯林斯詞典

1. ADV Something that happens thrice happens three times. 三次[老式]
They should think not twice, but thrice, before ignoring such advice. 對于這種性質(zhì)的建議，他們應(yīng)該再三考慮后才決定是否予以忽略。
2. ADV You can use thrice to indicate that something is three times the size, value, or intensity of something else. 三倍[老式] [ADV n]
...moving at thrice the speed of sound. ...以三倍音速運動。