About the length of a large bus, whale sharks are the largest fish in the world.
它长约一辆大的公共汽车，鲸鲨鱼是世界上最大的鱼类。
Recent years, the passive safety of large bus and coach has been studied deeply by foreign countries, and good effects have been achieved.
近年来，国外大客车被动安全研究进展迅速，并取得了良好的效果。
Recent years, the passive safety of large bus and coach has been studied deeply by foreign countries, and good effects have been achieved.
近年来，国外大客车被动安全研究进展迅速，并取得了良好的效果。
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