time-consuming

adj.

费时的；旷日持久的；花费大量时间的；

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。

Nasal positive pressure ventilation in patients with acute respiratory failure. Difficult and time-consuming procedure for nurses.
Applying evolutionary algorithms to problems with noisy, time-consuming fitness functions
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
Effects of Differentially Time‐Consuming Tests on Computer‐Adaptive Test Scores
Too complex and time-consuming to fit in! Physicians' experiences of elderly patients and their participation in medical decision ma...
Computerized endoscopic reporting is no more time-consuming than reporting with conventional methods
Dexamethasone-mediated potentiation of P450IA1 induction in H4IIEC3/T hepatoma cells is dependent on a time-consuming process and as...
What, why and how: time-consuming but inevitable questions in ethical decision-making.