n.

1. 性別[U]
   What sex is the baby?

   這嬰兒是什麼性別？

2. 男性；女性[C]
   There are members of both sexes in the committee.

   委員會裡男女委員都有。

3. 性，色情[U]
   There's too much sex in the film.

   這電影裡色情場面太多。

4. 性行為，性交；性慾；性感[U]
   American youth in the sixties were rather open about sex.

   六十年代的美國青年對兩性關係相當開放。

n.

1. either of the two main categories (male and female) into which humans and most other living things are divided on the basis of their reproductive functions.
   ▸the fact of belonging to one of these categories.
   ▸the group of all members of either sex.
2. sexual activity, specifically sexual intercourse.
   ▸euphemistic a person's genitals.

v.

1. determine the sex of.
2. (sex something up) informal present something in a more interesting or lively way.
3. (sex someone up) informal arouse or attempt to arouse someone sexually.

[名]

1. ①性。
2. ②性慾。
3. ③性交。