chemical action
英汉例句
- Coal was formed out of dead forests by chemical processes.
煤是已死森林经过化学作用而形成的。 - As the wrigglers develop, the gelatinous outer membrane decomposes, perhaps triggered by a chemical change in the tadpoles.
随着这些小虫的生长，胶状的外部膜会分解，这可能是由于蝌蚪内部的化学作用而触发的。