NativeCamp.的英語學習Q&A網站

回答

・how often
・how frequently

「多久（頻率）」可以用英文 how often 或 how frequently。

How often should I scan for viruses?
（我應該多久掃描一次病毒？）

How often do you patrol the building during the night shift?
（你夜勤時多久巡邏一次大樓？）

How frequently do you get a haircut?
（你多久剪一次頭髮？）

有幫助｜0