extinct

中文意思

• adj. 灭绝的
• adj. 熄灭的
• adj. 失效的

英文释义

• adj. no longer in existence; lost or especially having died out leaving no living representatives
• adj. (of e.g. volcanos) permanently inactive
• adj. being out or having grown cold

例句

1. adj. 灭绝的

   If we do not protect these wild animals, they will soon become extinct.

   如果我们不保护这些野生动物，它们很快就会灭绝。

2. adj. 熄灭的

   The fire in the stove was completely extinct, leaving the room cold.

   炉子里的火已经完全熄灭了，房间里一片冰凉。

3. adj. 失效的

   According to the new regulation, the old passport policy is now extinct.

   根据新规定，旧的护照政策现在已经失效了。