over

over time:随着时间的过去

例句与用法:

1. As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time.

所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。

名词over time:

1. work done in addition to regular working hours

同义词：overtime

2. playing time beyond regulation, to break a tie

同义词：overtime, extra time

副词over time:

1. beyond the regular time

同义词：overtime