2 sentences

1. 货船停靠在埠头进行装卸。

   huò​chuán tíng​kào zài bù tou jìn​xíng zhuāng​xiè.

   Cargo ships dock at the pier for loading and unloading.

   Source: Dong Chinese Dictionary

2. 码头上的吊车正在忙着装卸集装箱。

   mǎ​tou shàng de diào​chē zhèng​zài máng zhe zhuāng​xiè jí​zhuāng​xiāng.

   The cranes at the dock are busy loading and unloading containers.

   Source: Dong Chinese Dictionary