time consuming

adj.

耗费时间的，旷日持久的；

1. This learning period can eat up time and cause frustration.
   学习期间可能耗费时间，而且令人灰心。
2. The meter should show the progress relative to the total time the process will consume rather than the total size of the process.
   进度表应该显示相对整个过程所耗费时间的进度，而不是相对整个过程规模的进度。

Solvency II and Potential Successors (2c)
Nasal positive pressure ventilation in patients with acute respiratory failure. Difficult and time-consuming procedure for nurses.
Persistent stream for processing time consuming and reusable queries in an object oriented database management system
Applying evolutionary algorithms to problems with noisy, time-consuming fitness functions
Renal transplant lithiasis: rare but time‐consuming
Methods for rapid separation and concentration of bacteria in food that bypass time-consuming cultural enrichment
Non-stop outdoor navigation of a mobile robot-retroactive positioning data fusion with a time consuming sensor system
Effects of Differentially Time‐Consuming Tests on Computer‐Adaptive Test Scores
Implementing guidance on hepatitis B for applicants to medical school is time consuming
Too complex and time-consuming to fit in! Physicians' experiences of elderly patients and their participation in medical decision ma...