Necessitated
v. 使…成为必要, 需要( necessitate的过去式和过去分词 )
🗣️ 情景例句
He's getting some on the side.
他偷偷地跟别人有关系。
I've definitely decided to go to California.
我毫无疑问决定了去加利福尼亚。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。