请输入您要查询的英文单词:
单词
spermidine
释义
sper·mi·dine
\ˈspərməˌdēn, -_də̇n\
noun
(
-s
)
Etymology:
sperm- + -idine
:
a crystalline aliphatic triamine H
2
N(CH
2
)
3
NH(CH
2
)
4
NH
2
, found especially in semen in association with spermine and structurally related to it and to putrescine
随便看
down the line
down-the-line
down the pike
down the river
down the road
down the tube
down the tubes
down the wind
downthrow
downthrown
downthrust
downtick
downtime
down to cases
down-to-date
down to date
down-to-earth
downtonian
down to the ground
downtown
downtowner
down tree
downtrend
downtrod
downtrodden
英语词典包含332784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:2025/3/12 22:11:39