Precursor
[ pri'kɝsɚ ]
出国 Abroad
n. 前辈，前驱，先锋，前任;预兆，先兆，初期形式;[核]前驱波，初级粒子;预报器;
💡 词根助记
pre…前，预先+curs跑，发生+or名词后缀，表人或物→先跑者→先驱
📝 例句
Hobbes is a precursor of modern positivism and analytical jurisprudence.
霍布斯是现代实证主义法学和分析法学的先驱。
In the past this had been the precursor to strong decisions.
要是在过去，这就是要采取强力行动的预兆。
Cyanide can serve as precursor for the amide nitrogen of asparagine.
氰化物可以作一个天门冬酰胺的酰胺氮前体。
The immediate transcript of a t RNA gene is known as precursor tRNA.
tRNA基因的直接转录物叫做tRNA前体。
Crazing is the invariable precursor of brittle fracture.
出现小裂纹必然是脆性断裂的前兆。
🌱 联想助记
【记】谐音“怕惹的神色”:他一见前辈就一幅怕惹的神色
***联想记忆词汇***
作为革命的precursor,李自成深知革命的precarious性,他precise的安排了所有的作战方案,从来不precipitation行事,为了precaution有人叛变,他在内部preclude了一个个的异己,precipitate了革命的进程,他从来都是身体力行,很少preach,作战中为了赢得precious时间经常让自己的部队precipitate行军,precede敌人占领了有利的地形,取得了一个个的闪电战的胜利
✅ 同义词
🔤 词根
-cur-表示“跑”
📖 牛津释义
precursor
n
(fml 文) ~(of sth)
1 person or thing that comes before sth; forerunner 先驱; 先行者; 先兆; 前兆
small disturbances that were precursors of the revolution to come 预示革命将爆发的小规模动乱.
2 machine or invention that is later developed further （机器或发明物的）初期形式
Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型.
🔁 扩展释义
*[,pri:'kә:sә]n. 先驱者, 前导, 前兆【化】 前体; 前身; 产物母体【医】 先质, 前体(产物母体)
🏥 医学释义
①先躯 ②预兆 ③预报器
🌿 同词根单词
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
I wrote to him last Friday.
我上个星期五写信给他。
Which is your favourite month?
你最喜欢哪个月份？