四辺形；四辺を持つ多角形
ຫ້າເຫຼ່ຽມ
ສີ່ເຫຼ່ຽມ
ສາມເຫຼ່ຽມ
ຫົກເຫຼ່ຽມ
生徒は本の中で四辺形の図を見ます。
The student sees a quadrilateral in the book.
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