Intercrossing
互交
🗣️ 情景例句
I keep in touch with my family regularly.
我定期和家里保持联系。
People go to visit their parents, relatives and friends.
人们出门探望父母、亲威和朋友。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，