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请输入您要查询的英文单词：
单词
ammonoid
释义
ammonoids是ammonoid的复数
ammonoid
美
英
网络
菊石；菊石类
复数：
ammonoids
英英
网络释义
n.
1.
an
extinct
cephalopod
mollusk
with
a
partitioned
shell
1.
菊石
...是现代的新头足类（Neocoleoidea），或是
菊石
（
ammonoids
），都是由拥有外壳的鹦鹉螺类在4.5亿年前到3亿年前的古生 …
baike.soso.com
2.
菊石类
在古无脊椎动物学家看来，直角石、内角石、珠角石、鹦鹉螺等通称为鹦鹉螺类（nautiloids），与包括菊石和杆石在内的“
菊石
…
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例句
释义:
菊石,菊石类
随便看
keep one's feet
keep one's feet on the ground
keep one's figure
keep one's finger on the pulse
keep one's finger on the pulse of
keep one's fingers crossed
keep ones fingers crossed
keep one's footing
keep one's ground
keep one's hair on
keep one's hand in
keep one's hand on
keep one's hands in one's pockets
keep one's head
keep one's head above ground
keep ones head above water
keep one's head above water
keep one's head down
keep one's legs
keep one's mind on
keep one's mouth shut
keep one's name on the books
keep ones nose clean
keep one's nose clean
keep one's nose out of
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/9/29 1:09:08