昨日的用法和样例：
例句
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正如我方昨日。。。月。。。日我方所通知。。。
As we informed you yesterday by our letter dated ... -
昨日有十二小时的晴天，预报却说仍有雨。
We had twelve hours of sunshine yesterday, as against a forecast of continuous rain. -
希望罢工早些结束，这一愿望昨日严重受挫。
Hopes of an early end to the strike received/suffered a severe set-back yesterday. -
我昨日去看过他。
I dropped in on him yesterday.
