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1·The cake had 'Happy Birthday' piped on it.

蛋糕上裱了“生日快乐”的字样。《牛津词典》

2·Water is piped from the reservoir to the city.

水用管子从水库输送到城市。《牛津词典》

3·The speech was piped over a public address system.

讲话经广播系统传送出去。《牛津词典》

4·The person next to me piped up with a silly comment.

我旁边那位愚蠢地评论起来。《牛津词典》

5·The heated gas is piped through a coil surrounded by water.

受热气体通过水中的一根螺旋管输送。《柯林斯英汉双解大词典》

6·Passengers were piped aboard ship at the start of the cruise.

游客在管乐迎宾曲中登船开始水上游。《牛津词典》

7·'I know the answer,' piped up a voice at the back of the room.

“我知道答案。”房间后边有个声音叫起来。《牛津词典》

8·He stooped to pick up something which had been lying on the ground beside him when he piped.

他吹笛子时弯下腰去捡起放在身边地上的什么东西。

9·In many countries with sea coasts, human waste is piped directly into the sea without being treated.

在许多临海的国家，人类的废弃物未经处理就直接排入大海。

10·Just then, the lawyer piped up.

就在这时，律师插话了。

(1)steel pipe钢管

(1)heat pipe热管；热导管

(1)pipe inv. 用电讯设备传送；用管道输入；吹奏管乐器迎入

(1)welded pipe焊管；焊接管；焊制管

(1)seamless steel pipe无缝钢管

(1)water pipe水管；输水管