by forty的意思|示意
<美口>非常厉害地，猛烈地
by forty的用法详解
英语单词by forty的用法讲解
英语中by forty这一短语用法的含义是“临近某个时间的40分钟”，而使用它的场景一般用来描述某一定时间段前后的时间状态，通常英语中用来表达某一时间点到另一时间点的距离，十分的具体且明确。
例句：I will leave by forty from now.
翻译：我现在起过四十分钟就要出发了。
另一方面，类似地，英语短语by ten，by twenty，及by thirty等也常用来表达某一时间点到另一时间点的距离，但要根据具体的时间来确定。
例句：I will arrive by ten from now.
翻译：我现在起过十分钟就会到达了。
总的来说，by forty这一短语可以用来表示某一时间点到另一时间点的距离，且要根据实际情况来选择要表达的时间点，以更精确的表达出所想表达的含义。
by forty相关短语
1、 reduces by forty percent 降低了
by forty相关例句
The lessons are given by forty teachers.
这些课程由40位老师讲授。
The meeting was delayed by forty minutes.
会议迟了40分钟才开始.
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I thought I would be making the big bucks by forty, but I was wrong.
我还以为我四十岁前会赚大钱，但我错了。
The room measures fifteen feet wide by forty feet deep.
该房间宽十五尺，深四十尺。
He outweighed me by forty pounds.
他比我重四十磅.
辞典例句
The room measures fifteen feet wide by forty feet deep.
该房间宽十五尺,深四十尺.
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It'says the feed cost of the chicken industry alone has risen by forty percent.
理事会说,仅鸡养殖业的喂养成本就提高了百分之四十.
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