trouser pocket

例句：

1. 1.He put his keys in the trouser pocket.
   他把钥匙放进了裤子口袋里。
2. 2.She took out her phone from the trouser pocket.
   她从裤子口袋里拿出了她的手机。
3. 3. I found my wallet in the trouser pocket.
   我在裤子口袋里找到了我的钱包。