once在一次的意思下造句
问题描述:
once在一次的意思下造句
答
They have been to China once .
答
副词 ad.
1.一次,一回
I see them once every two months.
我每两个月与他们见一次面.
名词 n.
1.一次,一回
Once is enough.
一次就够了.