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chordates
脊索动物
常用释义
词性释义
n.
脊索动物;脊睡物门;脊睡物(chordate的复数)
例句
全部
Recent
studies
have
discovered
SL
trans
-
splicing
in
new
metazoan
phyla
,
including
the
chordates
.
最近的研究发现Sl的反式剪接的新后生动物门,包括脊索动物。
Most
chordates
have a high-pressure
,
closed
circulation
with a
ventral
heart
.
大多数脊索动物循环具有高压的、封闭的循环系统,心脏位于腹面。
There
are
about
45
.
000
species
of
chordates
,
occupying
marine
,
fresh
and
brackish
water
and
terrestrial
habitats
.
有大约45.000种脊索动物,它们占据着海、淡水或淡咸水和陆地的生态环境。
Chordates
that
lack
a
backbone
,
such as
sea
potatoes
,
sea
peaches
,
and
sea
squirts
.
没有脊柱的脊索动物,例如海土豆、海桃子和海蛸等。
superclass
of
eel
-
shaped
chordates
lacking
jaws
and
pelvic
fins
: lampreys
;
鳗鲡状的脊索动物超类,没有咽喉和骨盆鳍;
Zoologists
place
chordates
and
echinoderms
on
one
major
branch
of
the
动物学家将脊索动物和棘皮动物放在演化树的同一主要分枝上,而将