Our survey revealed that these allergies were mainly one-offs.我们的调查显示这些过敏多为一次性反应。There were also several accidents mainly caused by engine failures on take-off.还有几次事故主要是起飞时引擎出现故障造成的。He raises crops mainly for the use of ...
More familiar landscapes have been sculpted by surface erosion.还有更多熟悉的地貌是因地表侵蚀形成的。More familiar landscapes have been sculpted by surface erosion...还有更多熟悉的地貌是因地表侵蚀形成的。It's a terrific - looking car : modern, character...
高介电常数具有氢键液体的特征.The high dielectric constant is characteristic of hydrogenbonded liquids.副介指向空间的确定位置.The secondary valence is directed toward fixed positions in space.卤原子在它们的介电子层含有七个电子.Halogen atoms contain seven electron...