异性性接触

heterosexual sex

different / other / hetero- / unusual / strange / surprising / to distinguish / to separate / to discriminate

the opposite sex / of the opposite sex / heterosexual / different in nature

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]

to receive / to answer (the phone) / to meet or welcome sb / to connect / to catch / to join / to extend / to take one's turn on duty / to take over for sb

sexual encounter

to touch / to contact / access / in touch with

to touch / to make contact with sth / to stir up sb's emotions