后部

xíng li gēn suí zài xíng jìn jūn duì de hòu bù

行李跟随在行进军队的后部。

The baggage followed in the rear of the troops on march.

tào zi de hòu bù bǐ qián bù zhǎi

套子的后部比前部窄。

The rear part of the casing is slightly narrower than the front.

nǎo dai hòu bù

脑袋后部

the posterior part of the brain