介词短语作状语表时间父母常告诉我们他们过去的艰苦生活。

My parents often tell us about their bitter life in the past.

youdao

每种组合代表了字母表的一个字母或者一个短语。

Each combination indicated a letter of the alphabet or a short word.

youdao

每种组合代表了字母表的一个字母或者一个短语。

Each combination indicated a letter of the alphabet or a short word.

youdao