这就存在一个大的问题—电车很罕见，而在美国交通工具已有数以百万计的可用乙醇混合物行走的汽车。
There's a bigger problem — electric cars still remain few and far between, while there are already millions of U.S. vehicles on the road that can run on an ethanol blend.
细胞增殖抑制试验采用细胞贴壁培养，乙醇固定，结晶紫染色，单层细胞密度计测定细胞密度。
Cell growth inhibition was tested by cell sticking cultivation, ethanol fixation, crystal violet staining and monolayer cell density assaying.
把其中的单甲用乙醇提取出来，在分光光度计上比色，可作为冻融循环中产生的氧化胁迫的定量指标。
The ethanol extractable mono formazan was measured by a spectrophotometer, and used as a quantitative indicator of oxidative stress that developed during a freeze thaw cycle.
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