No bikes or vehicles are allowed to campus unless permitted.

非经许可之车辆及脚踏车请勿进入校园。

youdao

He parks the bike in the orderly stall outside the gate with all the rest, because there are no bikes allowed inside.

他把车停在公园门外整齐的自行车棚，和所有人的自行车停放在一起，因为公园内不许骑车。

youdao

Some bikes also have only one wheel and no handlebars (把手).

有些自行车也只有一个轮子，还没有车把。

youdao

When I came back there were no locked bikes there and the bike lock was on the pavement.

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He spares no expense on his bikes, his coaches, his teammates, his doctors and even a private jet that saves wear and tear.

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The finish line is a cutesy resort island (no cars, just bikes and horse-drawn carriages) in the straits between Lakes Huron and Michigan.

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