Pipes
n. 管线, 管道；管子（pipe复数形式）
✅ 同义词
🗣️ 情景例句
of getting them to spend more time together.
能让他们有更多时间相处。
There was a big crowd and we had difficulty getting a taxi.
外面有一大群人并我们有很困难招一辆出租车。
Sometimes ago, the United States Navy, for instance,
例如，美国海军前些时候