顺畅: smooth and unhindered, fluent...
手指: finger...
看成: to regard as...
设想: to imagine, to assume, to envisage, tentative plan, to have consideration for...
懂: to understand, to comprehend...
酒精: alcohol, ethanol CH3CH2OH, ethyl alcohol, also written, grain alcohol...
入学: to enter a school or college, to go to school for the first time as a child...
窗口: window, opening providing restricted access (e.g. customer service window), computer operating system window, medium, intermediary, showpiece, testing ground...
空白: blank space...
确实: indeed, really, reliable, real, true...
