"refloating the ship proved impractical because of the expense"
"he is intelligent but too impractical for commercial work"
"an impractical solution"
"airy theories about socioeconomic improvement"
"visionary schemes for getting rich"
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自《权威词典》
来自《简明英汉词典》