a parallelogram
A parallelogram has opposite sides parallel.
平行四边形对边平行。
平行四边形
两组对边分别平行且相等的凸四边形。；对边平行且相等的四边形；平行四边形；[机] 平行四边形
两组对边分别平行且相等的凸四边形。
A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.
对边平行且相等的四边形
a quadrilateral whose opposite sides are both parallel and equal in length
The teacher drew a parallelogram on the whiteboard.
老师在白板上画了一个平行四边形。
用法提示：该句使用名词“parallelogram”的单数形式，表示几何图形平行四边形。
A rectangle is a special type of parallelogram where all angles are right angles.
矩形是所有角都是直角的特殊平行四边形。
用法提示：该句使用名词“parallelogram”的单数形式，通过描述其一种特殊情况来展示其含义。
The opposite sides of a parallelogram are always equal in length.
平行四边形的对边长度总是相等的。
用法提示：该句使用名词“parallelogram”的单数形式，描述平行四边形的一个性质。
A parallelogram has opposite sides parallel.
平行四边形对边平行。
用于描述平行四边形的属性。
Draw a parallelogram with sides of 5 cm and 3 cm.
画一个边长为5厘米和3厘米的平行四边形。
数学中常见表达。
The area of a parallelogram is base times height.
平行四边形的面积是底乘以高。
grammar · medium
易错句子paralelogram
正确表达parallelogram
拼写错误：平行四边形应拼写为'parallelogram'，注意双写'l'和单写'r'的位置。
grammar · medium
易错句子The two parallelogram are different.
正确表达The two parallelograms are different.
单复数错误：当指两个及以上时，名词应用复数形式'parallelograms'。
grammar · medium
易错句子I drew parallelogram.
正确表达I drew a parallelogram.
冠词缺失：单数可数名词前应有不定冠词'a'或'an'。
平行四边形两对边平行，梯形仅一对边平行。
菱形是特殊的平行四边形（四边相等），但平行四边形不一定是菱形。
矩形是特殊的平行四边形（所有角为直角），但平行四边形不一定是矩形。
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