ph.

1. She had piped away for a whole hour.
她已吹奏了整整一小时。

2. They were piping the water away.
他们正用管道把水引走。

1. 发开船信号：pipal 菩提树 | pipe away 发开船信号 | pipe dream 幻想

2. 发出开船信号; 吹哨子收工[下班]：tune one's pipes 口说, 笔写; [苏] 哭起来 | pipe away 发出开船信号; 吹哨子收工[下班] | pipe down [航海]吹哨停工; 住嘴静下来