But of course what we were really focused on finding was a bilaterian.
不过，我们真正的焦点当然是两侧对称动物。
Did our catch in the dump truck actually include one of these?
我们卡车中的战利品里真的藏有两侧对称动物吗？
It had become clear that only actual fossils would furnish incontrovertible evidence for the time at which bilaterians had emerged.
状况变得很清楚：只有真实的化石，才能为两侧对称动物出现的时间提供确凿的证据。
Bilaterally symmetrical. Used of organisms or parts.
两侧对称的两边对称的，用于生物体或器官
For the foramen spinosum,bilateral symmetry in3cases(15%)and asymmetry in17cases(85%).
棘孔两侧对称3例(15%),两侧不对称者17例(85%)。
Chordates are bilaterally symmetrical, triploblastic, segmented coelomates which demonstrate a deuterostomic pattern of early embryonic development.
脊索动物两侧对称、胚层，分节的体腔，在胚胎发育的早期过程中，显示为后口类型。
Overeas Researches Hypothesis About Bilateral Transfer and Asymmetry of Bilateral Transfer in Motor Learning;
运动技能两侧性迁移机制及迁移不对称性的国外研究学说
Any member of two distinct groups of rodents that are able to make gliding leaps by means of parachute-like membranes connecting their forelegs and hind legs on each side.
两类远缘的啮齿类动物的统称。它们用身体两侧连接前后肢的降落伞似的皮膜作滑翔跳跃。
A part or division in the body of a bilaterally or radially symmetric animal that corresponds to an opposite or similar part.
体辐，对称部左右或中心对称的动物身体中与相反或相似部分对应的一侧或一部分
The motion perception is naso-temporally asymmetric in newborn.
新生儿的运动觉是鼻、侧不对称的。
wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals.
象小虫一样的节肢动物，嘴巴两侧各有两对钩；寄生在哺乳动物的鼻凹处。
Results: Six patients' reconstructed breasts were symmetr ical with beautiful contour.
结果:6例手术再造乳房两侧对称,外形美观。
Having differing floral parts, as of a zygomorphic or asymmetrical flower.
不规则的花的组成部分相异的，如两侧对称或不对称的花
small class of bilaterally symmetrical marine forms comprising the tooth shells.
由两边对称的海洋掘足纲软体动物组成的一个小纲。
An airfoil whose principal function is providing lift, especially either of two such airfoils symmetrically positioned on each side of the fuselage of an aircraft.
机翼主要功能是提供升降的机翼，尤指飞机机身两侧对称位置上的
Something resembling the cheek in shape or position.
两侧相对的物体在形状或位置上象脸颊的东西
Biomechanical Comparison of Two Surgical Techniques of Posterolateral Corner Reconstruction of the Knee
膝关节后外侧角两种重建术生物力学对比研究
Heavier, larger, or higher on one side than on the other.
不对称的一侧比另一侧重、大或高的