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(physical) growth; development
子供の発育には栄養バランスが重要だ。
Nutritional balance is important for child development.
運動不足は子供の発育に悪影響を与える。
Lack of exercise negatively affects child development.
発育が遅れている植物に肥料を与えた。
I gave fertilizer to the plants that were slow to develop.