school bus的复数形式为：school buses...

n.校车...

school bus的音标：school bus的英式发音音标为：[sku:l bʌs]school bus的美式发音音标为：[skul bʌs]...

The school bus takes them to school and brings them back.校车接送他们上下学。The school bus leaves at six sharp and won't wait.校车6点开车,过时不候.What bad luck ! I've missed the school bus.真糟糕,误了校车了....