自从上个月 ever since last month
自从上个月月底增加 Increase since last month end
自上个月
Since last month
以上为机器翻译结果，长、整句建议使用 人工翻译 。
海伦自上个月起就在一家托儿所工作了。
Helen worked at a nursery since last month.
youdao
自上个月我们分手以来，这里下了很多雨。
We have had plenty of rain here since we parted last month.
备受瞩目的巴勒斯坦团结协议自上个月签署至今已经出现困境。
A Palestinian unity agreement signed with much fanfare last month has run into trouble.
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