die out:消失,灭绝 例句与用法

1.The English of today is very different from the English of500 years ago.In time,some even die out completely.现在的英语与500年前的英语已大不相同,有一些甚至会在今后完全消失.

3.Many old customs are dying out.很多古老的习俗正在消失.