发光的树，隧道内的灯，闪烁的湖点缀着五公里长的跑道。
The races feature a five-kilometer course dotted with glowing trees, tunnels of light and UV lakes.
其中许多接收器将集中在一个内部 “核心”大约五公里的一片地区，但是一些会被安排一套1500公里长的精致旋转臂（杆）。
Many of the receivers will be concentrated in an inner “core” about 5 kilometres on a side, but some will be arranged into a set of elegant spiral arms 1,500km long.
这条1300公里长的高速铁路线预计将两个城市之间旅行时间裁减到约五个小时，每天有90对子弹头列车运行。
The 1300-kilometer-long high-speed rail line is expected to cut travel time between the two cities to about five hours, with 90 pairs of bullet trains operating each day.
黄河是世界第五大河，一条5464公里长的大河。
The Yellow River is the world's fifth largest river with a 5464 kilometres long river.
黄河是世界第五大河，一条5464公里长的大河。
The Yellow River is the world's fifth largest river with a 5464 kilometres long river.
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