chemical action

常見例句

• Coal was formed out of dead forests by chemical processes.
  煤是已死森林經(jīng)過化學(xué)作用而形成的。
• As the wrigglers develop, the gelatinous outer membrane decomposes, perhaps triggered by a chemical change in the tadpoles.
  隨著這些小蟲的生長，膠狀的外部膜會分解，這可能是由于蝌蚪內(nèi)部的化學(xué)作用而觸發(fā)的。
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