英:[seks ækt]
美:[sɛks ækt]
英:[seks ækt]
美:[sɛks ækt]
n.
性交
性行为
1 The rate of interventing CSW sex act was 96.66 %.
CSW接受 干预人数占96.66%.
2 Almost half said they go without condoms when having vaginal sex.
近一半的人说在进行阴道性交时不使用避孕套。
3 He could be infected by having sex with an infected woman.
他可能因与受感染的女人性交而被传染上疾病。