adj.形容詞標準的This was his normal route to work, he took a detour yesterday
adj.形容詞正常John has returned to normal after taking those heavy medicines
adj.形容詞平均的The normal temperature for a human is around 98.6°F.
n. (u.)不可數名詞正常狀態Things are back to normal after the storm.
n.名詞法線The normal to a curve is a line perpendicular to the tangent at that point.
n. (u.)不可數名詞常態This is the new normal after the pandemic.
adj.形容詞精神正常的Is he normal, or does he have some mental problems?
adj.形容詞垂直的A normal line is perpendicular to a tangent line.