The adverb 顺便 "at the same time"
The adverb 顺便 
indicates that two actions are happening at the same time or that one action happened while another action was taking place.
In a sentence, it is placed before a predicate which is expressed by a verb.
indicates that two actions are happening at the same time or that one action happened while another action was taking place.
In a sentence, it is placed before a predicate which is expressed by a verb.Examples
请顺便把垃圾带下楼
If you're going out, take out the trash, please
qǐng shùnbiàn bǎ lājī dài xià lóu
我到了上海，顺便去看望了小学老师
When I arrived in Shanghai, I visited my primary school teacher
wǒ dào le Shànghǎi, shùnbiàn qù kànwàng le xiǎoxué lǎoshī
也许我会顺便去趟那家医院
Maybe I'll stop by that hospital
yěxǔ wǒ huì shùnbiàn qù tàng nà jiā yīyuàn