copulation造句

1、He then made the action of copulation and broke the big stone.
说著就做出 * 的动作，把石头弄破。

2、The male organ of copulation in certain invertebrates.
雄性 * 官某些无脊椎动物的雄性 * 官

3、In addition, an improved real-coding copulation operator was also raised.
另外，给出了一个改进的实数编码的两点交叉算子。