11月美国的贸易赤字扩大到75.9亿美元。The US trade deficit widened to $7.59 billion in November.美国将提供40亿美元的信贷和赠款。The US is contributing $4 billion in loans, credits and grants.他的公司和美国当局达成了和解，同意支付2亿美元的罚款。His company settled with the Ameri...
他来回地吸气吹气.He puffed breath in and out.要明确吹气是在手抬起时吹入的.Be sure to ventilate on the upstroke.小姑娘向她的肥皂泡中吹气.The little girl bubbles air into her soap - suds....
我们发现在许多复合材料中正在采用较多量的粉状填料.We find relatively large volumes of particulate fillers being used in many composites.肺血管必须比正常情况下接受更多量的血液.The blood vessels in the lungs have to handle a larger amount of blood than normal.由于这一障碍...