sea urchin

听听怎么读

英 [si: ˈɜ:tʃɪn]

美 [si ˈətʃɪn]

是什么意思

海胆；

变形

复数：sea urchins

英英释义

sea urchin

n.shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells

学习怎么用

双语例句

A fine,sharp projection,as a spine of a sea urchin or a crystal.
针状物精细尖锐的突出物，如海胆的脊椎骨或水晶球。
The hard outer shell of sea urchins are commonly called tests.
海胆的坚硬外壳通常被称为甲壳。

权威例句

Cyclin: a protein specified by maternal mRNA in sea urchin eggs that is destroyed at each cleavage division.
Detection of mrnas in sea urchin embryos by in situ hybridization using asymmetric RNA probes
The Genome of the Sea Urchin Strongylocentrotus purpuratus
Rate Variation of Protein and Mitochondrial DNA Evolution as Revealed by Sea Urchins Separated by the Isthmus of Panama
Genomic Cis-Regulatory Logic: Experimental and Computational Analysis of a Sea Urchin Gene
Micro-injection of inositol 1,3,4,5-tetrakisphosphate activates sea urchin eggs by a mechanism dependent on external Ca2+
SPECIATION AND POPULATION GENETIC STRUCTURE IN TROPICAL PACIFIC SEA URCHINS.
Sea urchin spine calcite forms via a transient amorphous calcium carbonate phase.
Adenosine triphosphate-induced sliding of tubules in trypsin-treated flagella of sea-urchin sperm.
Spindle microtubule dynamics in sea urchin embryos: analysis using a fluorescein-labeled tubulin and measurements of fluorescence re...

同义词

sand dollar echinus

s开头的单词