Circulating pipe
[建] 循環(huán)管
?? 詞語組成解析
a. 循環(huán)的, 流通的\\n[經(jīng)] 流動
pipe
[pa?p]
n. 管子;煙斗;管樂器;（管風(fēng)琴的）音管;
vt. 以管輸送;用管樂器演奏;尖聲唱;
vi. 吹奏管樂器;尖叫;尖聲地說（或唱），尖聲啼鳴;[航海] 吹長哨;
??? 情景例句
What are you going to do?
你打算讀什么？
Good idea!
真是個(gè)好主意！
On his arrival he was sold to a farmer and worked in the fields.
一到美國，他就被賣給了一個(gè)農(nóng)場主，到地里干活。