Mersenne
素数
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
Michael must hold on to the driver of the motorcycle.
米高必须紧紧抓住机车的骑士。
but we found that it traced its way through the trees.
没想到它到树林中继续向前延伸。