- before the normal or expected time未成熟的；过早的；提前的
- Her hair became prematurely white.她的头发过早地苍白了。🔊🔊
- before the normal length of pregnancy has been completed早产的
- The child was born prematurely.这孩子是早产的。🔊🔊
- too soon
- Tomatoes won't ripen if they're harvested prematurely.如果西红柿过早收获，西红柿就不会成熟。