通常这种检查就是华沙所做的穿刺手术，叫作羊膜穿刺检查，一般在怀孕四个月或更大月份的时候做。
Usually it's the needle procedure Witkowski had, called amniocentesis, done almost four months or more into the pregnancy.
在四个月大的时候，自闭症婴儿会比同龄人更偏爱视觉刺激。
At 4 months, infants later diagnosed with autism preferred higher amounts of visual stimulation than other babies their age.
我在一前的时候找到了新工作，之前失业了四个月，我是一个技术转让联络员，在一家地方研究中心上班。
I got a new job at the beginning of January after being unemployed for four months. I am a technology transfer associate for a government research centre.
研究发现，在求职第四个月的时候，参与者花在求职上的时间从一开始每周17个小时下降到了每周14个小时。
The study found that by the fourth month of job searching, participants decreased the time they spent looking for jobs. They went from initially dedicating 17 hours per week to 14 hours a week.
研究发现，在求职第四个月的时候，参与者花在求职上的时间从一开始每周17个小时下降到了每周14个小时。
The study found that by the fourth month of job searching, participants decreased the time they spent looking for jobs. They went from initially dedicating 17 hours per week to 14 hours a week.
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