瓜依沃语中不光有单数和复数，还有双数和若干的概念。

And Kwaio has not just singular and plural, but dual and paucal too.

youdao

该方法返回一个双数组，其中第一个元素（数组索引 [0]）表示纬度，而第二个元素（数组索引 [1]）表示经度。

This returns a double array, where the first element (array index [0]) is latitude and second element (array index [1]) is longitude.

youdao

我们都是出生在双数年份的同一个月的午夜前后（她是晚上十一点四十五分，我是在凌晨一点一十五分）； 我们都学过竖笛；

We learnt that both of us had been born around midnight [she at 11.45 p.m., I at 1.15 a.m.] in the same month of an even-numbered year.

youdao