prematurely
adv. 过早地
例句
Her hair became prematurely white.
她的头发过早地苍白了。
《牛津词典》
He was careful not to celebrate prematurely.
他很谨慎，没有过早地举行庆祝活动。
《柯林斯英汉双解大词典》
The child was born prematurely.
这孩子是早产的。
