less-efficient
UK/les-ɪ'fɪʃ(ə)nt/US
Definitions
adj.
Having lower efficiency than something else
效率较低的
Root Breakdown
Native Englishless + efficient = not as efficient by comparison.
Root fac still carries 273 more wordsExample Sentences
- 1.
Older bulbs are far less-efficient than LED lights.