reach a speed翻译
reach a speed的基本解释
读音: 美: 英:
达到某速度：指达到特定的速度。
例句
To escape the pull of the earth, a rocket must reach a speed of 28, 440 km/h.为了摆脱地球的引力，火箭必须达到每小时28，440公里的速度。When reached 182 km, second stage rocket off automatically, reach a speed of 68 kilometers per second.当达到182公里高度时，第二级火箭自动脱落，速度达到每秒68公里。
If you take a pebble with a radius of about one centimeter and you throw it off a high building, it will reach a speed which will not exceed 75 miles per hour because of the air drag.如果拿一个半径是，1厘米的小卵石，从高楼上扔下去，它的速度因为空气阻力，不过超过每小时75英里。
短语
reach a top speed of 达到最高
0
纠错
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