Pure species have of course their organs of reproduction in a perfect condition, yet when intercrossed they produce either few or no offspring.
纯种当然有完美的繁殖器官,但当杂交时, 它们要么很少, 要么没有后代。
单词 | organ of reproduction |
例句 |
原声例句
物种起源 Pure species have of course their organs of reproduction in a perfect condition, yet when intercrossed they produce either few or no offspring. 纯种当然有完美的繁殖器官,但当杂交时, 它们要么很少, 要么没有后代。 |
随便看 |
|
英语例句辞典收录519880条英汉例句词条,基本涵盖了全部常用单词的造句方法及例句,是英语学习的有利工具。