词汇:inefficient

adj. 无效率的,效率低的;无能的

相关场景

Why did you use inefficient motors?
>> Spare Parts 拼凑梦想 (2015) Movie Script
If the river continues through the nozzle, but through the throat at less than sonic speed... that is to say, less than the speed of sound... it becomes compact in the... compacted in the divergent section, bound in turmoil and inefficient.
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