Preventiveness
n. 预防药；预防法 (preventive的变形)
🗣️ 情景例句
His number is 555-8842.
他的电话是555-8842。
What shall I send him for his birthday?
我要送他什么东西作为生日礼物？
Walt invented the steam engine.
瓦特发明了蒸汽机。