/ˌpriːməˈtʊr/
pre- 提前 mature 成熟的
提前的，未成熟的，为时过早的，早产的，草率的，仓促的。
I’m a little premature on that. 关于那件事，我还是不够成熟。
it’s a bit premature to make any conclusions.
premature celebration / victiory party is premature 过早的庆祝
my son was four weeks premature.
my son was born prematurely 副词。
my hair became prematurely white.
premature aging/death
Your conclusion is premature.