例句與造句

1. He " used the observations on St Helena to formulate an intermediate hypothesis ( published in 1844 in his book " Geological Observations on the volcanic islands and parts of South America visited during the Voyage of H . M . S . " Beagle " )-volcanoes rise by slow, gradual and episodic events ".
2. It's difficult to find intermediate hypothesis in a sentence. 用intermediate hypothesis造句挺難的