Biquintile
五分之二圆周差
🗣️ 情景例句
OK.
好。
I don't know whether it will rain or not.
我不知道是否将下雨。
You will not have to spend the next few days recovering from a long and arduous journey.
用不着因为漫长的旅途的辛苦而花几天时间休息来恢复精神。