The vehicles are without exception old, rusty and dented...那些车辆一律都很破旧，锈迹斑斑，布满凹痕。Presumably both the very small size and activating influence of fluorine atoms contribute to this exception.这大概是由于氟原子半径小和活性高这两个原因的影响,氟原子对这种例...
Bailey had always been an optimist , a sound Marxian optimist.贝利向来是个乐天派, 是个十足的马克思主义乐天派.Optimist: A man who gets treed by a lion But enjoys the scenery.乐观主义者: 被狮子逼上了树但仍然能欣赏风景的人.We are optimist and realist.我们是乐观主义者,又是现实主义者...