例句與造句

1. He could effect cross-fertilization between them .
   他可以實現(xiàn)它們間的雜交授粉。
2. Most megadrile earthworms reproduce by normal cross-fertilization .
   大多數(shù)巨蚓的生殖是正常異體受精。
3. Theory and experiment in physics have developed side by side through mutual cross-fertilization .
   物理學的理論與實驗，相互促進而并肩發(fā)展。
4. It's difficult to find cross-fertilization in a sentence. 用cross-fertilization造句挺難的