在这种有氧健身运动出现之前，市面上已经有不少健身水疗会所，在大城市甚至有全国性的连锁机构。
A number of fitness spas existed prior to this aerobic fitness movement, even a national chain with spas in most major cities.
莫尔斯是海象出现之前的另一个名字，且似乎已经传播到其他语言，唯独在英语中却不再使用。
Morse was yet another name that appeared before walrus and seems to have spread to other languages only to drop out of use in English.
在文字出现之前，就有舞蹈语言了。
Before there was the written word, there was the language of dance.
在合成化学染料出现之前，诸如靛蓝之类的纺织染料主要来源于植物。
Textile dyes, such as indigo, were mostly of plant origin until the advent of synthetic chemical dyes.
在真正意义上的机器人出现之前，有许多玩具机器人。
在关闭所有程序之前不要关掉电脑，否则可能会出现问题。
Don't turn off the computer before closing all programs or you could have problems.
研究人员发现毒液甚至在蛇出现之前就已经进化出来了，大约在一亿年前。
The researchers found that venom evolved before snakes even existed, about a hundred million years before.
在伊斯兰教出现之前的阿拉伯，被称为“拉维斯”的人常常依附于诗人作为官方记忆者。
In pre-Islamic Arabia, people known as Rawis were often attached to poets as official memorizers.
在Mosaic 出现之前，使用万维网的主要是科学家和其他技术人员，他们只是发送和接收文本就很开心了。
Before Mosaic, the web had been used mainly by scientists and other technical people, who were happy just to send and receive text.
在电影诞生之前，他们就已经出现很久了。
在拖拉机出现之前，这是一项重要的业务。当时，许多家庭以务农为生，骡子被用作役畜。
This was an important business before the days of tractors when many families made a living from farming, and mules were used as work animals.
主动学习者不断地监测自己的理解，他们知道自己的理解什么时候出现了问题，在迷失方向之前就会寻求帮助。
Active learners are constantly monitoring their understanding, they know when their comprehension breaks down, and they ask for help before they become lost.
在1984年的一本书中，克莱尔·C ·罗伯逊认为，在殖民主义出现之前，在加纳和整个非洲，年龄是地位和权威的一个更重要的指标，而不是性别。
In a 1984 book, Claire C, Robertson argued that, before colonialism, age was a more important indicator of status and authority than gender in Ghana and in Africa generally.
研究人员还指出，在我们发现幸福感开始下降之前，在2013年出现最急剧的幸福感下降之前，经济衰退就已经出现了。
The researchers also note that the recession hit some years before we see the beginning of the wellbeing drop, and before the steepest wellbeing decline, which occurred in 2013.
在这个可怕的幽灵出现之前，我在恐惧中退却，这种恐惧在我写作时伴随着我。
Before this awful apparition, I retreat in terror that is upon me as I write.
在电脑出现之前，文章都是手写的。
在电灯出现之前，人们通常可以看到大约2500颗不同的星星。
Before electric lights, people could often see about 2,500 different stars.
在西药出现在中国之前，中国大夫到山上去采草药。
Before the western medicine appeared in China, Chinese doctors went to the mountains to pick herbs.
在使用汽油、电力和太阳能的混合动力汽车出现之前，汽油动力汽车已经销售了很多年。汽车公司现在正在生产完全由电力驱动的汽车。
Cars powered by gasoline were sold for many years before hybrid vehicles that use gasoline, electricity, and solar energy. Car companies are now making cars that are fully powered by electricity only.
在互联网出现之前，从别人那里租冲浪板、电动工具或停车位是可行的，但通常其带来的麻烦多于它应有的好处。
Before the internet, renting a surfboard, a power tool or a parking space from someone else was feasible, but was usually more trouble than it was worth.
在DVR出现之前，你只能在播放时看到自己想看的节目，否则你不得不错过心仪的节目。
Before DVR, you had to watch your show at the time it was on, or you had to miss your show.
在石油出现之前，珍珠是巴林和其邻国卡塔尔的主要财富来源。
In the days before oil, pearls were the major source of wealth for Bahrain and its near neighbour Qatar.
在症状出现之前，在她的村庄报告有禽类死亡。
Poultry deaths were reported in her village prior to symptom onset.
在互联网出现之前，这是明智的安排。
然而，强有力的流程管理遵从性带来了某种级别的控制，能够在争论出现之前实质性地停止争论。
With strong process management compliance, however, comes a level of control that can literally stop arguments before they occur.
被感染者在症状出现之前已开始传播病毒，这就加剧了通过无症状航空旅客造成国际传播的危险。
The fact that infected people can shed virus before symptoms appear adds to the risk of international spread via asymptomatic air travellers.
通常，这些单子都是关于电影的首映周票房，但是这里也有一张在票房出现之前只关于文字的单子。
Usually, these lists are all about the opening-weekend grosses, but there is one out there based on the words on the page before the box office even opens.
在症状出现之前一周，曾报告了他家附近的鸡死亡。
Deaths in chickens near his home were reported in the week prior to symptom onset.
在症状出现之前一周，曾报告了他家附近的鸡死亡。
Deaths in chickens near his home were reported in the week prior to symptom onset.
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