Dictionary entry
bilaterally symmetric
adjective
两侧对称的；左右对称的
having identical parts on each side of an axis
- 1.
having identical parts on each side of an axis
In use
Most animals are bilaterally symmetric, meaning their left and right sides mirror each other.
The building's front is bilaterally symmetric, so the two entrances look identical.
A bilaterally symmetric shape can be split into equal halves along one central line.
be bilaterally symmetric
作表语时描述主语具有对称性质。
The human body is bilaterally symmetric.
人体是双侧对称的。
bilaterally symmetric + noun
作定语修饰名词，常出现在生物学语境中。
A bilaterally symmetric organism has a left and right side.
双侧对称的生物体有左侧和右侧。
Common mistakes
The human body is bilateral symmetric.The human body is bilaterally symmetric.
中文学习者容易将副词“bilaterally”误用为形容词“bilateral”，因为中文“对称”可以直接修饰名词。但英文中，修饰形容词“symmetric”需要用副词形式。
The design has bilaterally symmetric.The design has bilateral symmetry.
动词“has”后应接名词短语，“bilaterally symmetric”是形容词短语，应改为名词短语“bilateral symmetry”。
Connections
Confusing words
- bilateral
- 双侧的 · bilateral 仅表示涉及两侧，不保证对称；bilaterally symmetric 明确要求两侧相同。
- symmetrical
- 对称的 · symmetrical 可指各种对称（如放射对称），而 bilaterally symmetric 特指左右对称。
Dictionary facts from ECDICT, WORDNET.