Guards set up a slalom course of barriers to slow truck traffic at the most heavily used crossing sites. Nevertheless, elephants, rhinos, pythons, and deer on the move become roadkill most every year.
在某些车流量较大的十字路口，守卫们都设置了回旋障碍，以减慢车速，即便如此，每一年都会有不少的大象、犀牛、蟒蛇和鹿被车辆轧死在路上。
Caveat: the researchers couldn't account for the presence of noise barriers or the floor level on which the subjects lived, factors that would influence traffic-noise exposure.
注意：研究人员并未考虑研究对象所居住环境中是否有隔音屏障以及居住楼层的差别，这些因素会影响暴露在交通噪音中的水平。
The traffic jam, energy wasting and air pollution caused by special geographic environment of Chongqing become the main barriers to construct a harmonious metropolis.
特殊自然地理环境造成的交通拥堵、能源浪费和空气污染已经成为重庆市建设和谐大都市的主要障碍。
The traffic jam, energy wasting and air pollution caused by special geographic environment of Chongqing become the main barriers to construct a harmonious metropolis.
特殊自然地理环境造成的交通拥堵、能源浪费和空气污染已经成为重庆市建设和谐大都市的主要障碍。
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