您要查找的是不是：
- 正交 orthogonality
- 交单 presentation
- 单交 single cross
- 新交 new friend
- 交上 hand in
- 交作业 hand in homework
- 交税 payment of duty
- 援交 enjo - kosai
- 交联 cross bonding
- 交线 line of intersection
- 交学费 pay the tuition fee; pay tuition
- 交钱 pay
- 五金交电 hardware and electrical equipment
- 滥交 promiscuity
- 交恶 fall foul of each other; become enemies
- 群交 flock-mate
- 泛泛之交 a casual acquaintanceship
- 正交试验 orthogonal test
- 交联剂 cross linker
- 交叠 overlap
