prime學測 L4KK [ˈpraɪm] ｜ /ˈpraɪm/
質數·最佳的;頂級的·首要的;最重要的·全盛時期;巔峰·打底;預先處理
學測常考字,一字橫跨五種詞意
The detective said the man near the MRT station was the prime suspect.
偵探說在捷運站附近的那名男子是首要嫌疑人。
義項
質數拆解B1noun質數
Seven is a prime number; only 1 and 7 can divide it.
七是質數,因為只有1和7能整除它。
a prime number
頂級牛排B2adjective最佳的;頂級的
This steakhouse only serves prime beef.
這間牛排館只供應頂級牛肉。
prime beefprime location
首要考量B2adjective首要的;最重要的
Getting enough sleep was her prime worry before the test.
睡眠充足是她考前最主要的煩惱。
prime concernprime importance
生涯巔峰B2noun全盛時期;巔峰
The singer said her prime came in her early thirties.
這位歌手說她的巔峰出現在三十歲出頭時。
in one's primepast one's prime
牆面打底B2verb打底;預先處理
You should prime the wall before you paint it.
刷漆之前,你應該先為牆面打底。
prime the wallprime a canvas
片語
prime number拆不開的數 →只能被一和自己整除的數
in one's prime人生高峰 →正處於全盛時期
prime time黃金時段 →收視率最高的時段
prime suspect頭號嫌疑 →警方鎖定的首要嫌疑人
你會不會這樣說？
The number 7 is a ___ number that can only be divided by 1 and itself. (prime / primary)
看答案
prime
prime 指質數,primary 意思是主要的,兩字易混淆。
'The singer said her prime came in her early thirties.' 這裡的 prime 最接近哪個意思?(A) 質數 (B) 全盛時期 (C) 打底
看答案
(B)
此句指人生巔峰,對應『全盛時期』義項,而非質數或打底。
字族
primer 入門書;底漆・primary 主要的;初級的