訓 そろ(う),ひと(しい),ひと(しく),あたる,はやい ・ 音 セイ,サイ
Sino-Vietnamese: tề
Pictures ears of grain growing to an even height, as in Vietnamese chỉnh tề (neat); 一斉 means all at once.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
生徒たちは一斉に立ち上がった。 (せいとたちはいっせいにたちあがった)
The students all stood up at once.
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