inefficient
🇺🇸
/ˌɪnɪˈfɪʃnt/
🇬🇧
/ˌɪnɪˈfɪʃnt/
adjective
R
not using time, money, or energy well
The old machine is inefficient because it uses too much electricity and works slowly.
這台舊機器效率低下，因為它耗電太多且工作緩慢。
translation
效率低的