请问count in threes

请问count in threes count in twos count in threes是什么意思 threes in the first threes in the first in threes and fours in twos and threes是什么意思 in twos and threes翻译一下 in two and threes怎么翻译? 请问count on 请问make it count count in tens to in count for there are some threes in the garden?改为否定句 Do people usually plant threes in winter?怎么回答 question always come in threes是什么意思呢:question always come in threes经常三个问题一起来，还是，祸不单行呢 The students came into the classroom in twos and threes 一句中为何用twos and threesThe students came into the classroom in twos and threes 一句中为何用twos and threes many youths like to hold parties on the day or go to bars to enjoy themslves in two and threes.in two and threes.为什么threes有s啊,two没有啊 We went to the library in twos and threes,为什么用介词in