请输入您要查询的英文单词：
单词
precursor chemical
释义
precursor chemical
in British English
(
priːˈkɜːsə ˈkɛmɪk
ə
l
)
noun
another name for
precursor (sense 3
)
precursor
in British English
(
prɪˈkɜːsə
)
noun
1.
a person or thing that precedes and shows or announces someone or something to come; harbinger
2.
a predecessor or forerunner
3.
a chemical substance that gives rise to another more important substance
Word origin
C16: from Latin
praecursor
one who runs in front, from
praecurrere,
from
prae
in front +
currere
to run
随便看
to give sb the slip
to give sb the stiff arm
to give sb/to have a black eye
to give somebody a piggyback
to give somebody a thick ear
to give someone a bunk-up
to give someone a free hand
to give someone a piece of your mind
to give someone a run for their money
to-give-someone-credit-for-something
to give someone credit for sth
to give someone free rein
to give someone hell
to give someone the green light
to give someone the runaround
to give someone unshirted hell
to give something a body swerve
to give something houseroom
to give sth a clean
to give sth a miss
to give sth a press
to give sth a pull
to give sth a scrub
vitaminise
vitaminize
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2026/3/10 11:49:59